21124020013110 has 96 divisors (see below), whose sum is σ = 62769217073472. Its totient is φ = 4828293550080.

The previous prime is 21124020013099. The next prime is 21124020013127. The reversal of 21124020013110 is 1131002042112.

21124020013110 is a `hidden beast` number, since 2 + 112 + 40 + 200 + 1 + 311 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93581502 + ... + 93806958.

It is an arithmetic number, because the mean of its divisors is an integer number (653846011182).

Almost surely, 2^{21124020013110} is an apocalyptic number.

21124020013110 is an abundant number, since it is smaller than the sum of its proper divisors (41645197060362).

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

21124020013110 is a wasteful number, since it uses less digits than its factorization.

21124020013110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374198 (or 374195 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21124020013110 its reverse (1131002042112), we get a palindrome (22255022055222).

The spelling of 21124020013110 in words is "twenty-one trillion, one hundred twenty-four billion, twenty million, thirteen thousand, one hundred ten".