21022120102010 has 32 divisors (see below), whose sum is σ = 40010001615360. Its totient is φ = 7930553859648.

The previous prime is 21022120101971. The next prime is 21022120102013. The reversal of 21022120102010 is 1020102122012.

It is not an unprimeable number, because it can be changed into a prime (21022120102013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248035517 + ... + 248120256.

It is an arithmetic number, because the mean of its divisors is an integer number (1250312550480).

Almost surely, 2^{21022120102010} is an apocalyptic number.

21022120102010 is a deficient number, since it is larger than the sum of its proper divisors (18987881513350).

21022120102010 is a wasteful number, since it uses less digits than its factorization.

21022120102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496156022.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21022120102010 its reverse (1020102122012), we get a palindrome (22042222224022).

The spelling of 21022120102010 in words is "twenty-one trillion, twenty-two billion, one hundred twenty million, one hundred two thousand, ten".