20001102101122 has 16 divisors (see below), whose sum is σ = 30037852573344. Its totient is φ = 9988486200000.

The previous prime is 20001102101033. The next prime is 20001102101153. The reversal of 20001102101122 is 22110120110002.

It is a super-2 number, since 2×20001102101122² (a number of 27 digits) contains 22 as substring.

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, 24711997 + ... + 25508527.

It is an arithmetic number, because the mean of its divisors is an integer number (1877365785834).

Almost surely, 2^{20001102101122} is an apocalyptic number.

20001102101122 is a deficient number, since it is larger than the sum of its proper divisors (10036750472222).

20001102101122 is a wasteful number, since it uses less digits than its factorization.

20001102101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811665.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20001102101122 its reverse (22110120110002), we get a palindrome (42111222211124).

The spelling of 20001102101122 in words is "twenty trillion, one billion, one hundred two million, one hundred one thousand, one hundred twenty-two".