21140230101232 has 80 divisors (see below), whose sum is σ = 46714984692480. Its totient is φ = 9173761625600.

The previous prime is 21140230101229. The next prime is 21140230101271. The reversal of 21140230101232 is 23210103204112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2902882 + ... + 7120897.

It is an arithmetic number, because the mean of its divisors is an integer number (583937308656).

Almost surely, 2^{21140230101232} is an apocalyptic number.

21140230101232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21140230101232 is an abundant number, since it is smaller than the sum of its proper divisors (25574754591248).

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

21140230101232 is a wasteful number, since it uses less digits than its factorization.

21140230101232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10024342 (or 10024336 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 21140230101232 its reverse (23210103204112), we get a palindrome (44350333305344).

The spelling of 21140230101232 in words is "twenty-one trillion, one hundred forty billion, two hundred thirty million, one hundred one thousand, two hundred thirty-two".