22211211020120 has 128 divisors (see below), whose sum is σ = 51757869196800. Its totient is φ = 8568280756224.

The previous prime is 22211211020113. The next prime is 22211211020179. The reversal of 22211211020120 is 2102011211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6147579434 + ... + 6147583046.

It is an arithmetic number, because the mean of its divisors is an integer number (404358353100).

Almost surely, 2^{22211211020120} is an apocalyptic number.

22211211020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211211020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25878934598400).

22211211020120 is an abundant number, since it is smaller than the sum of its proper divisors (29546658176680).

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

22211211020120 is a wasteful number, since it uses less digits than its factorization.

22211211020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269 (or 8265 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22211211020120 its reverse (2102011211222), we get a palindrome (24313222231342).

The spelling of 22211211020120 in words is "twenty-two trillion, two hundred eleven billion, two hundred eleven million, twenty thousand, one hundred twenty".