22201112121000 has 64 divisors (see below), whose sum is σ = 69267469826880. Its totient is φ = 5920296564800.

The previous prime is 22201112120987. The next prime is 22201112121031. The reversal of 22201112121000 is 12121110222.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3700182354 + ... + 3700188353.

It is an arithmetic number, because the mean of its divisors is an integer number (1082304216045).

Almost surely, 2^{22201112121000} is an apocalyptic number.

22201112121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22201112121000 is an abundant number, since it is smaller than the sum of its proper divisors (47066357705880).

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

22201112121000 is a wasteful number, since it uses less digits than its factorization.

22201112121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7400370731 (or 7400370717 counting only the distinct ones).

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

Adding to 22201112121000 its reverse (12121110222), we get a palindrome (22213233231222).

The spelling of 22201112121000 in words is "twenty-two trillion, two hundred one billion, one hundred twelve million, one hundred twenty-one thousand".