22100010020001 has 24 divisors (see below), whose sum is σ = 32015112296544. Its totient is φ = 14690476691520.

The previous prime is 22100010019999. The next prime is 22100010020009. The reversal of 22100010020001 is 10002001000122.

It is not a de Polignac number, because 22100010020001 - 2¹ = 22100010019999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22100010020009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150989485 + ... + 151135781.

It is an arithmetic number, because the mean of its divisors is an integer number (1333963012356).

Almost surely, 2^{22100010020001} is an apocalyptic number.

It is an amenable number.

22100010020001 is a deficient number, since it is larger than the sum of its proper divisors (9915102276543).

22100010020001 is a wasteful number, since it uses less digits than its factorization.

22100010020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195021 (or 195018 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 22100010020001 its reverse (10002001000122), we get a palindrome (32102011020123).

The spelling of 22100010020001 in words is "twenty-two trillion, one hundred billion, ten million, twenty thousand, one".