22120205112502 has 16 divisors (see below), whose sum is σ = 38694236349600. Its totient is φ = 9480087905064.

The previous prime is 22120205112491. The next prime is 22120205112529. The reversal of 22120205112502 is 20521150202122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16122597793 + ... + 16122599164.

It is an arithmetic number, because the mean of its divisors is an integer number (2418389771850).

Almost surely, 2^{22120205112502} is an apocalyptic number.

22120205112502 is a deficient number, since it is larger than the sum of its proper divisors (16574031237098).

22120205112502 is an equidigital number, since it uses as much as digits as its factorization.

22120205112502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32245196980 (or 32245196966 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 22120205112502 its reverse (20521150202122), we get a palindrome (42641355314624).

The spelling of 22120205112502 in words is "twenty-two trillion, one hundred twenty billion, two hundred five million, one hundred twelve thousand, five hundred two".