21023133010 has 64 divisors (see below), whose sum is σ = 42678244224. Its totient is φ = 7389849600.

The previous prime is 21023132993. The next prime is 21023133013. The reversal of 21023133010 is 1033132012.

It is not an unprimeable number, because it can be changed into a prime (21023133013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435900 + ... + 481720.

It is an arithmetic number, because the mean of its divisors is an integer number (666847566).

Almost surely, 2^21023133010 is an apocalyptic number.

21023133010 is an abundant number, since it is smaller than the sum of its proper divisors (21655111214).

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

21023133010 is a wasteful number, since it uses less digits than its factorization.

21023133010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45979.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 21023133010 its reverse (1033132012), we get a palindrome (22056265022).

The spelling of 21023133010 in words is "twenty-one billion, twenty-three million, one hundred thirty-three thousand, ten".