102120110022 has 96 divisors (see below), whose sum is σ = 239239544544. Its totient is φ = 28974758400.

The previous prime is 102120109991. The next prime is 102120110023. The reversal of 102120110022 is 220011021201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102120110023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28837572 + ... + 28841112.

It is an arithmetic number, because the mean of its divisors is an integer number (2492078589).

Almost surely, 2^102120110022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102120110022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119619772272).

102120110022 is an abundant number, since it is smaller than the sum of its proper divisors (137119434522).

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

102120110022 is a wasteful number, since it uses less digits than its factorization.

102120110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4214 (or 4207 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102120110022 its reverse (220011021201), we get a palindrome (322131131223).

The spelling of 102120110022 in words is "one hundred two billion, one hundred twenty million, one hundred ten thousand, twenty-two".