22100100020002 has 4 divisors (see below), whose sum is σ = 33150150030006. Its totient is φ = 11050050010000.

The previous prime is 22100100019997. The next prime is 22100100020051. The reversal of 22100100020002 is 20002000100122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19919341945881 + 2180758074121 = 4463109^2 + 1476739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5525025004999 + ... + 5525025005002.

Almost surely, 2^{22100100020002} is an apocalyptic number.

22100100020002 is a deficient number, since it is larger than the sum of its proper divisors (11050050010004).

22100100020002 is a wasteful number, since it uses less digits than its factorization.

22100100020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11050050010003.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22100100020002 its reverse (20002000100122), we get a palindrome (42102100120124).

The spelling of 22100100020002 in words is "twenty-two trillion, one hundred billion, one hundred million, twenty thousand, two".