101121340 has 24 divisors (see below), whose sum is σ = 221588640. Its totient is φ = 38689728.

The previous prime is 101121331. The next prime is 101121341. The reversal of 101121340 is 43121101.

It is a self number, because there is not a number n which added to its sum of digits gives 101121340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101121341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109455 + ... + 110374.

It is an arithmetic number, because the mean of its divisors is an integer number (9232860).

Almost surely, 2^101121340 is an apocalyptic number.

101121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101121340 is an abundant number, since it is smaller than the sum of its proper divisors (120467300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101121340 is a wasteful number, since it uses less digits than its factorization.

101121340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219861 (or 219859 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101121340 is about 10055.9106996830. The cubic root of 101121340 is about 465.8873717015.

Adding to 101121340 its reverse (43121101), we get a palindrome (144242441).

The spelling of 101121340 in words is "one hundred one million, one hundred twenty-one thousand, three hundred forty".