21023311032010 has 16 divisors (see below), whose sum is σ = 43247954123136. Its totient is φ = 7207992353808.

The previous prime is 21023311032001. The next prime is 21023311032019. The reversal of 21023311032010 is 1023011332012.

It is an interprime number because it is at equal distance from previous prime (21023311032001) and next prime (21023311032019).

It is not an unprimeable number, because it can be changed into a prime (21023311032019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150166507302 + ... + 150166507441.

It is an arithmetic number, because the mean of its divisors is an integer number (2702997132696).

Almost surely, 2^{21023311032010} is an apocalyptic number.

21023311032010 is an abundant number, since it is smaller than the sum of its proper divisors (22224643091126).

21023311032010 is a wasteful number, since it uses less digits than its factorization.

21023311032010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300333014757.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21023311032010 its reverse (1023011332012), we get a palindrome (22046322364022).

The spelling of 21023311032010 in words is "twenty-one trillion, twenty-three billion, three hundred eleven million, thirty-two thousand, ten".