10011100121022 has 128 divisors (see below), whose sum is σ = 26901737210880. Its totient is φ = 2398586711040.

The previous prime is 10011100120999. The next prime is 10011100121027. The reversal of 10011100121022 is 22012100111001.

It is a junction number, because it is equal to n+sod(n) for n = 10011100120989 and 10011100121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011100121027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8025004 + ... + 9188192.

It is an arithmetic number, because the mean of its divisors is an integer number (210169821960).

Almost surely, 2^{10011100121022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10011100121022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13450868605440).

10011100121022 is an abundant number, since it is smaller than the sum of its proper divisors (16890637089858).

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

10011100121022 is a wasteful number, since it uses less digits than its factorization.

10011100121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164658.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10011100121022 its reverse (22012100111001), we get a palindrome (32023200232023).

The spelling of 10011100121022 in words is "ten trillion, eleven billion, one hundred million, one hundred twenty-one thousand, twenty-two".