21123302103332 has 48 divisors (see below), whose sum is σ = 44164400817600. Its totient is φ = 8712704895360.

The previous prime is 21123302103313. The next prime is 21123302103359. The reversal of 21123302103332 is 23330120332112.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 312922607 + ... + 312990102.

It is an arithmetic number, because the mean of its divisors is an integer number (920091683700).

Almost surely, 2^{21123302103332} is an apocalyptic number.

21123302103332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21123302103332 is an abundant number, since it is smaller than the sum of its proper divisors (23041098714268).

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

21123302103332 is a wasteful number, since it uses less digits than its factorization.

21123302103332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625912796 (or 625912794 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 21123302103332 its reverse (23330120332112), we get a palindrome (44453422435444).

The spelling of 21123302103332 in words is "twenty-one trillion, one hundred twenty-three billion, three hundred two million, one hundred three thousand, three hundred thirty-two".