102212121111022 has 32 divisors (see below), whose sum is σ = 165212322649920. Its totient is φ = 47146136217600.

The previous prime is 102212121111017. The next prime is 102212121111029. The reversal of 102212121111022 is 220111121212201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212121111029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376795854 + ... + 377067022.

It is an arithmetic number, because the mean of its divisors is an integer number (5162885082810).

Almost surely, 2^{102212121111022} is an apocalyptic number.

102212121111022 is a deficient number, since it is larger than the sum of its proper divisors (63000201538898).

102212121111022 is a wasteful number, since it uses less digits than its factorization.

102212121111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279948.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 102212121111022 its reverse (220111121212201), we get a palindrome (322323242323223).

The spelling of 102212121111022 in words is "one hundred two trillion, two hundred twelve billion, one hundred twenty-one million, one hundred eleven thousand, twenty-two".