21102011110000 has 50 divisors (see below), whose sum is σ = 51090079122632. Its totient is φ = 8440804440000.

The previous prime is 21102011109983. The next prime is 21102011110027. The reversal of 21102011110000 is 1111020112.

It is a tau number, because it is divible by the number of its divisors (50).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1055090556 + ... + 1055110555.

Almost surely, 2^{21102011110000} is an apocalyptic number.

21102011110000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21102011110000 is an abundant number, since it is smaller than the sum of its proper divisors (29988068012632).

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

21102011110000 is an equidigital number, since it uses as much as digits as its factorization.

21102011110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110201139 (or 2110201118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 21102011110000 its reverse (1111020112), we get a palindrome (21103122130112).

The spelling of 21102011110000 in words is "twenty-one trillion, one hundred two billion, eleven million, one hundred ten thousand".