102111211022 has 32 divisors (see below), whose sum is σ = 158042574144. Its totient is φ = 49449312000.

The previous prime is 102111211021. The next prime is 102111211051. The reversal of 102111211022 is 220112111201.

It is a junction number, because it is equal to n+sod(n) for n = 102111210988 and 102111211006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111211021) 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, 10308272 + ... + 10318172.

It is an arithmetic number, because the mean of its divisors is an integer number (4938830442).

Almost surely, 2^102111211022 is an apocalyptic number.

102111211022 is a deficient number, since it is larger than the sum of its proper divisors (55931363122).

102111211022 is a wasteful number, since it uses less digits than its factorization.

102111211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10844.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 102111211022 its reverse (220112111201), we get a palindrome (322223322223).

The spelling of 102111211022 in words is "one hundred two billion, one hundred eleven million, two hundred eleven thousand, twenty-two".