22121120202000 has 160 divisors (see below), whose sum is σ = 71504709120000. Its totient is φ = 5883562777600.

The previous prime is 22121120201867. The next prime is 22121120202011. The reversal of 22121120202000 is 20202112122.

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 31 ways as a sum of consecutive naturals, for example, 2515125 + ... + 7111124.

It is an arithmetic number, because the mean of its divisors is an integer number (446904432000).

Almost surely, 2^{22121120202000} is an apocalyptic number.

22121120202000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22121120202000 is an abundant number, since it is smaller than the sum of its proper divisors (49383588918000).

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

22121120202000 is a wasteful number, since it uses less digits than its factorization.

22121120202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9626658 (or 9626642 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22121120202000 its reverse (20202112122), we get a palindrome (22141322314122).

The spelling of 22121120202000 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred two thousand".