21033201231110 has 16 divisors (see below), whose sum is σ = 37860400987200. Its totient is φ = 8413138543296.

The previous prime is 21033201231103. The next prime is 21033201231137. The reversal of 21033201231110 is 1113210233012.

It is a happy number.

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, 17120270 + ... + 18307649.

It is an arithmetic number, because the mean of its divisors is an integer number (2366275061700).

Almost surely, 2^{21033201231110} is an apocalyptic number.

21033201231110 is a deficient number, since it is larger than the sum of its proper divisors (16827199756090).

21033201231110 is a wasteful number, since it uses less digits than its factorization.

21033201231110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35487295.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21033201231110 its reverse (1113210233012), we get a palindrome (22146411464122).

The spelling of 21033201231110 in words is "twenty-one trillion, thirty-three billion, two hundred one million, two hundred thirty-one thousand, one hundred ten".