11201012102100 has 72 divisors (see below), whose sum is σ = 32410250000128. Its totient is φ = 2986753305600.

The previous prime is 11201012102057. The next prime is 11201012102113. The reversal of 11201012102100 is 120121010211.

It is a super-2 number, since 2×11201012102100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 3787965 + ... + 6062235.

Almost surely, 2^{11201012102100} is an apocalyptic number.

11201012102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201012102100 is an abundant number, since it is smaller than the sum of its proper divisors (21209237898028).

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

11201012102100 is a wasteful number, since it uses less digits than its factorization.

11201012102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290705 (or 2290698 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11201012102100 its reverse (120121010211), we get a palindrome (11321133112311).

The spelling of 11201012102100 in words is "eleven trillion, two hundred one billion, twelve million, one hundred two thousand, one hundred".