21023230102000 has 160 divisors (see below), whose sum is σ = 58639153996800. Its totient is φ = 7140599942400.

The previous prime is 21023230101997. The next prime is 21023230102003. The reversal of 21023230102000 is 20103232012.

It is an interprime number because it is at equal distance from previous prime (21023230101997) and next prime (21023230102003).

It is a super-3 number, since 3×21023230102000³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023230102003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5519100 + ... + 8515099.

It is an arithmetic number, because the mean of its divisors is an integer number (366494712480).

Almost surely, 2^{21023230102000} is an apocalyptic number.

21023230102000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21023230102000 is an abundant number, since it is smaller than the sum of its proper divisors (37615923894800).

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

21023230102000 is a wasteful number, since it uses less digits than its factorization.

21023230102000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034336 (or 14034320 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21023230102000 its reverse (20103232012), we get a palindrome (21043333334012).

The spelling of 21023230102000 in words is "twenty-one trillion, twenty-three billion, two hundred thirty million, one hundred two thousand".