21103113033032 has 16 divisors (see below), whose sum is σ = 39568621253760. Its totient is φ = 10551480698704.

The previous prime is 21103113033029. The next prime is 21103113033047. The reversal of 21103113033032 is 23033031130112.

It is a super-2 number, since 2×21103113033032² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21103113032989 and 21103113033007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8285468 + ... + 10528779.

It is an arithmetic number, because the mean of its divisors is an integer number (2473038828360).

Almost surely, 2^{21103113033032} is an apocalyptic number.

It is an amenable number.

21103113033032 is a deficient number, since it is larger than the sum of its proper divisors (18465508220728).

21103113033032 is a wasteful number, since it uses less digits than its factorization.

21103113033032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18954460 (or 18954456 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 21103113033032 its reverse (23033031130112), we get a palindrome (44136144163144).

The spelling of 21103113033032 in words is "twenty-one trillion, one hundred three billion, one hundred thirteen million, thirty-three thousand, thirty-two".