1001120222 has 16 divisors (see below), whose sum is σ = 1583528400. Its totient is φ = 473371200.

The previous prime is 1001120213. The next prime is 1001120243. The reversal of 1001120222 is 2220211001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529 + ... + 44772.

It is an arithmetic number, because the mean of its divisors is an integer number (98970525).

Almost surely, 2^1001120222 is an apocalyptic number.

1001120222 is a deficient number, since it is larger than the sum of its proper divisors (582408178).

1001120222 is a wasteful number, since it uses less digits than its factorization.

1001120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46891.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1001120222 is about 31640.4839090681. The cubic root of 1001120222 is about 1000.3732679870.

Adding to 1001120222 its reverse (2220211001), we get a palindrome (3221331223).

The spelling of 1001120222 in words is "one billion, one million, one hundred twenty thousand, two hundred twenty-two".