102021111122 has 16 divisors (see below), whose sum is σ = 174936161472. Its totient is φ = 43712626320.

The previous prime is 102021111029. The next prime is 102021111139. The reversal of 102021111122 is 221111120201.

It is a super-2 number, since 2×102021111122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 102021111097 and 102021111106.

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, 832904 + ... + 947507.

It is an arithmetic number, because the mean of its divisors is an integer number (10933510092).

Almost surely, 2^102021111122 is an apocalyptic number.

102021111122 is a deficient number, since it is larger than the sum of its proper divisors (72915050350).

102021111122 is a wasteful number, since it uses less digits than its factorization.

102021111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1784513.

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

Adding to 102021111122 its reverse (221111120201), we get a palindrome (323132231323).

The spelling of 102021111122 in words is "one hundred two billion, twenty-one million, one hundred eleven thousand, one hundred twenty-two".