21000210001120 has 48 divisors (see below), whose sum is σ = 56700567006048. Its totient is φ = 7200072000000.

The previous prime is 21000210001049. The next prime is 21000210001163. The reversal of 21000210001120 is 2110001200012.

It is a super-2 number, since 2×21000210001120² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 21000210001097 and 21000210001106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9375092631 + ... + 9375094870.

It is an arithmetic number, because the mean of its divisors is an integer number (1181261812626).

Almost surely, 2^{21000210001120} is an apocalyptic number.

21000210001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21000210001120 is an abundant number, since it is smaller than the sum of its proper divisors (35700357004928).

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

21000210001120 is a wasteful number, since it uses less digits than its factorization.

21000210001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750187523 (or 18750187515 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21000210001120 its reverse (2110001200012), we get a palindrome (23110211201132).

The spelling of 21000210001120 in words is "twenty-one trillion, two hundred ten million, one thousand, one hundred twenty".