10122100211220 has 96 divisors (see below), whose sum is σ = 29930737267200. Its totient is φ = 2548832552064.

The previous prime is 10122100211203. The next prime is 10122100211221. The reversal of 10122100211220 is 2211200122101.

It is a super-2 number, since 2×10122100211220² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10122100211220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122100211221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14110990 + ... + 14810949.

It is an arithmetic number, because the mean of its divisors is an integer number (311778513200).

Almost surely, 2^{10122100211220} is an apocalyptic number.

10122100211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10122100211220 is an abundant number, since it is smaller than the sum of its proper divisors (19808637055980).

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

10122100211220 is a wasteful number, since it uses less digits than its factorization.

10122100211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28922277 (or 28922275 counting only the distinct ones).

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

Adding to 10122100211220 its reverse (2211200122101), we get a palindrome (12333300333321).

The spelling of 10122100211220 in words is "ten trillion, one hundred twenty-two billion, one hundred million, two hundred eleven thousand, two hundred twenty".