21103113032994 has 32 divisors (see below), whose sum is σ = 42797021045760. Its totient is φ = 6935962061952.

The previous prime is 21103113032993. The next prime is 21103113033019. The reversal of 21103113032994 is 49923031130112.

It is not an unprimeable number, because it can be changed into a prime (21103113032993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5624002 + ... + 8592765.

It is an arithmetic number, because the mean of its divisors is an integer number (1337406907680).

Almost surely, 2^{21103113032994} is an apocalyptic number.

21103113032994 is an abundant number, since it is smaller than the sum of its proper divisors (21693908012766).

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

21103113032994 is a wasteful number, since it uses less digits than its factorization.

21103113032994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14220234.

The product of its (nonzero) digits is 34992, while the sum is 39.

The spelling of 21103113032994 in words is "twenty-one trillion, one hundred three billion, one hundred thirteen million, thirty-two thousand, nine hundred ninety-four".