20010200221100 has 18 divisors (see below), whose sum is σ = 43422134480004. Its totient is φ = 8004080088400.

The previous prime is 20010200221057. The next prime is 20010200221111. The reversal of 20010200221100 is 112200201002.

It is a happy number.

It is a super-2 number, since 2×20010200221100² (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 5 ways as a sum of consecutive naturals, for example, 100051001006 + ... + 100051001205.

Almost surely, 2^{20010200221100} is an apocalyptic number.

20010200221100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010200221100 is an abundant number, since it is smaller than the sum of its proper divisors (23411934258904).

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

20010200221100 is a wasteful number, since it uses less digits than its factorization.

20010200221100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200102002225 (or 200102002218 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20010200221100 its reverse (112200201002), we get a palindrome (20122400422102).

The spelling of 20010200221100 in words is "twenty trillion, ten billion, two hundred million, two hundred twenty-one thousand, one hundred".