22501050101220 has 96 divisors (see below), whose sum is σ = 65743249904640. Its totient is φ = 5739306503040.

The previous prime is 22501050101147. The next prime is 22501050101249. The reversal of 22501050101220 is 2210105010522.

It is a super-2 number, since 2×22501050101220² (a number of 28 digits) contains 22 as substring.

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, 143523075 + ... + 143679765.

It is an arithmetic number, because the mean of its divisors is an integer number (684825519840).

Almost surely, 2^{22501050101220} is an apocalyptic number.

22501050101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22501050101220 is an abundant number, since it is smaller than the sum of its proper divisors (43242199803420).

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

22501050101220 is a wasteful number, since it uses less digits than its factorization.

22501050101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260785 (or 260783 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 22501050101220 its reverse (2210105010522), we get a palindrome (24711155111742).

The spelling of 22501050101220 in words is "twenty-two trillion, five hundred one billion, fifty million, one hundred one thousand, two hundred twenty".