21310222002032 has 20 divisors (see below), whose sum is σ = 41297133826920. Its totient is φ = 10652897143488.

The previous prime is 21310222002031. The next prime is 21310222002061. The reversal of 21310222002032 is 23020022201312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21310222001995 and 21310222002013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21310222002031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138286682 + ... + 138440697.

It is an arithmetic number, because the mean of its divisors is an integer number (2064856691346).

Almost surely, 2^{21310222002032} is an apocalyptic number.

It is an amenable number.

21310222002032 is a deficient number, since it is larger than the sum of its proper divisors (19986911824888).

21310222002032 is a wasteful number, since it uses less digits than its factorization.

21310222002032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276732200 (or 276732194 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21310222002032 its reverse (23020022201312), we get a palindrome (44330244203344).

The spelling of 21310222002032 in words is "twenty-one trillion, three hundred ten billion, two hundred twenty-two million, two thousand, thirty-two".