102101121122 has 32 divisors (see below), whose sum is σ = 205630233984. Its totient is φ = 36719683200.

The previous prime is 102101121121. The next prime is 102101121149. The reversal of 102101121122 is 221121101201.

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 = 102101121097 and 102101121106.

It is not an unprimeable number, because it can be changed into a prime (102101121121) 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, 25497779 + ... + 25501782.

It is an arithmetic number, because the mean of its divisors is an integer number (6425944812).

Almost surely, 2^102101121122 is an apocalyptic number.

102101121122 is an abundant number, since it is smaller than the sum of its proper divisors (103529112862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101121122 is a wasteful number, since it uses less digits than its factorization.

102101121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50999594.

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

Adding to 102101121122 its reverse (221121101201), we get a palindrome (323222222323).

The spelling of 102101121122 in words is "one hundred two billion, one hundred one million, one hundred twenty-one thousand, one hundred twenty-two".