22012120001120 has 96 divisors (see below), whose sum is σ = 52891493387040. Its totient is φ = 8654558883840.

The previous prime is 22012120001057. The next prime is 22012120001129. The reversal of 22012120001120 is 2110002121022.

It is a junction number, because it is equal to n+sod(n) for n = 22012120001095 and 22012120001104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012120001129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79734044 + ... + 80009636.

It is an arithmetic number, because the mean of its divisors is an integer number (550953056115).

Almost surely, 2^{22012120001120} is an apocalyptic number.

22012120001120 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 22012120001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26445746693520).

22012120001120 is an abundant number, since it is smaller than the sum of its proper divisors (30879373385920).

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

22012120001120 is a wasteful number, since it uses less digits than its factorization.

22012120001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284128 (or 284120 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22012120001120 its reverse (2110002121022), we get a palindrome (24122122122142).

The spelling of 22012120001120 in words is "twenty-two trillion, twelve billion, one hundred twenty million, one thousand, one hundred twenty".