20102201101100 has 72 divisors (see below), whose sum is σ = 44463584825520. Its totient is φ = 7886337914880.

The previous prime is 20102201101069. The next prime is 20102201101133. The reversal of 20102201101100 is 110110220102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1379657 + ... + 6489056.

Almost surely, 2^{20102201101100} is an apocalyptic number.

20102201101100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20102201101100 is an abundant number, since it is smaller than the sum of its proper divisors (24361383724420).

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

20102201101100 is a wasteful number, since it uses less digits than its factorization.

20102201101100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7869219 (or 7869212 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20102201101100 its reverse (110110220102), we get a palindrome (20212311321202).

The spelling of 20102201101100 in words is "twenty trillion, one hundred two billion, two hundred one million, one hundred one thousand, one hundred".