102111122011222 has 16 divisors (see below), whose sum is σ = 161250080472000. Its totient is φ = 48361828290120.

The previous prime is 102111122011207. The next prime is 102111122011237. The reversal of 102111122011222 is 222110221111201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102111122011207) and next prime (102111122011237).

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 102111122011222.

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, 182993472 + ... + 183550627.

It is an arithmetic number, because the mean of its divisors is an integer number (10078130029500).

Almost surely, 2^{102111122011222} is an apocalyptic number.

102111122011222 is a deficient number, since it is larger than the sum of its proper divisors (59138958460778).

102111122011222 is a wasteful number, since it uses less digits than its factorization.

102111122011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366551451.

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

Adding to 102111122011222 its reverse (222110221111201), we get a palindrome (324221343122423).

The spelling of 102111122011222 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty-two million, eleven thousand, two hundred twenty-two".