102221221111102 has 16 divisors (see below), whose sum is σ = 160002722819232. Its totient is φ = 48887099331840.

The previous prime is 102221221111091. The next prime is 102221221111103. The reversal of 102221221111102 is 201111122122201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102221221111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102221221111103) 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, 28054683 + ... + 31488214.

It is an arithmetic number, because the mean of its divisors is an integer number (10000170176202).

Almost surely, 2^{102221221111102} is an apocalyptic number.

102221221111102 is a deficient number, since it is larger than the sum of its proper divisors (57781501708130).

102221221111102 is a wasteful number, since it uses less digits than its factorization.

102221221111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59580243.

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

Adding to 102221221111102 its reverse (201111122122201), we get a palindrome (303332343233303).

The spelling of 102221221111102 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty-one million, one hundred eleven thousand, one hundred two".