20112211120010 has 32 divisors (see below), whose sum is σ = 36965765599632. Its totient is φ = 7876763136000.

The previous prime is 20112211120007. The next prime is 20112211120021. The reversal of 20112211120010 is 1002111221102.

It can be written as a sum of positive squares in 8 ways, for example, as 12061888758529 + 8050322361481 = 3473023^2 + 2837309^2 .

It is a super-2 number, since 2×20112211120010² (a number of 27 digits) contains 22 as substring.

It is a Curzon 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, 100450991 + ... + 100651010.

Almost surely, 2^{20112211120010} is an apocalyptic number.

20112211120010 is a deficient number, since it is larger than the sum of its proper divisors (16853554479622).

20112211120010 is a wasteful number, since it uses less digits than its factorization.

20112211120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201102218.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20112211120010 its reverse (1002111221102), we get a palindrome (21114322341112).

The spelling of 20112211120010 in words is "twenty trillion, one hundred twelve billion, two hundred eleven million, one hundred twenty thousand, ten".