21001022303110 has 16 divisors (see below), whose sum is σ = 37805262254496. Its totient is φ = 8399648452608.

The previous prime is 21001022303087. The next prime is 21001022303147. The reversal of 21001022303110 is 1130322010012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94942587 + ... + 95163526.

It is an arithmetic number, because the mean of its divisors is an integer number (2362828890906).

Almost surely, 2^{21001022303110} is an apocalyptic number.

21001022303110 is a deficient number, since it is larger than the sum of its proper divisors (16804239951386).

21001022303110 is a wasteful number, since it uses less digits than its factorization.

21001022303110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190117167.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21001022303110 its reverse (1130322010012), we get a palindrome (22131344313122).

The spelling of 21001022303110 in words is "twenty-one trillion, one billion, twenty-two million, three hundred three thousand, one hundred ten".