101211402 has 16 divisors (see below), whose sum is σ = 202581792. Its totient is φ = 33710640.

The previous prime is 101211389. The next prime is 101211413. The reversal of 101211402 is 204112101.

It is a happy 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, 2652 + ... + 14472.

It is an arithmetic number, because the mean of its divisors is an integer number (12661362).

Almost surely, 2^101211402 is an apocalyptic number.

101211402 is an abundant number, since it is smaller than the sum of its proper divisors (101370390).

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

101211402 is a wasteful number, since it uses less digits than its factorization.

101211402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13253.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 101211402 is about 10060.3877658866. The cubic root of 101211402 is about 466.0256422123.

Adding to 101211402 its reverse (204112101), we get a palindrome (305323503).

The spelling of 101211402 in words is "one hundred one million, two hundred eleven thousand, four hundred two".