21133311203010 has 32 divisors (see below), whose sum is σ = 51212373563520. Its totient is φ = 5580835579008.

The previous prime is 21133311203003. The next prime is 21133311203021. The reversal of 21133311203010 is 1030211333112.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3419626555 + ... + 3419632734.

It is an arithmetic number, because the mean of its divisors is an integer number (1600386673860).

Almost surely, 2^{21133311203010} is an apocalyptic number.

21133311203010 is an abundant number, since it is smaller than the sum of its proper divisors (30079062360510).

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

21133311203010 is a wasteful number, since it uses less digits than its factorization.

21133311203010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839259402.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21133311203010 its reverse (1030211333112), we get a palindrome (22163522536122).

The spelling of 21133311203010 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred eleven million, two hundred three thousand, ten".