21122010020110 has 16 divisors (see below), whose sum is σ = 38067321460896. Its totient is φ = 8438203247008.

The previous prime is 21122010020071. The next prime is 21122010020131. The reversal of 21122010020110 is 1102001022112.

It is a super-2 number, since 2×21122010020110² (a number of 27 digits) contains 22 as substring.

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, 1325086762 + ... + 1325102701.

It is an arithmetic number, because the mean of its divisors is an integer number (2379207591306).

Almost surely, 2^{21122010020110} is an apocalyptic number.

21122010020110 is a deficient number, since it is larger than the sum of its proper divisors (16945311440786).

21122010020110 is a wasteful number, since it uses less digits than its factorization.

21122010020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650190267.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21122010020110 its reverse (1102001022112), we get a palindrome (22224011042222).

The spelling of 21122010020110 in words is "twenty-one trillion, one hundred twenty-two billion, ten million, twenty thousand, one hundred ten".