10202120111022 has 96 divisors (see below), whose sum is σ = 24064806858912. Its totient is φ = 2874469441536.

The previous prime is 10202120110997. The next prime is 10202120111063. The reversal of 10202120111022 is 22011102120201.

It is a junction number, because it is equal to n+sod(n) for n = 10202120110992 and 10202120111010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135967188 + ... + 136042200.

It is an arithmetic number, because the mean of its divisors is an integer number (250675071447).

Almost surely, 2^{10202120111022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202120111022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12032403429456).

10202120111022 is an abundant number, since it is smaller than the sum of its proper divisors (13862686747890).

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

10202120111022 is a wasteful number, since it uses less digits than its factorization.

10202120111022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81442 (or 81435 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10202120111022 its reverse (22011102120201), we get a palindrome (32213222231223).

The spelling of 10202120111022 in words is "ten trillion, two hundred two billion, one hundred twenty million, one hundred eleven thousand, twenty-two".