20110002121010 has 32 divisors (see below), whose sum is σ = 37084063086000. Its totient is φ = 7847132451840.

The previous prime is 20110002120973. The next prime is 20110002121019. The reversal of 20110002121010 is 1012120001102.

It can be written as a sum of positive squares in 8 ways, for example, as 13684147225681 + 6425854895329 = 3699209^2 + 2534927^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20110002120982 and 20110002121000.

It is not an unprimeable number, because it can be changed into a prime (20110002121019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694416 + ... + 6890564.

Almost surely, 2^{20110002121010} is an apocalyptic number.

20110002121010 is a deficient number, since it is larger than the sum of its proper divisors (16974060964990).

20110002121010 is a wasteful number, since it uses less digits than its factorization.

20110002121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207886.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20110002121010 its reverse (1012120001102), we get a palindrome (21122122122112).

The spelling of 20110002121010 in words is "twenty trillion, one hundred ten billion, two million, one hundred twenty-one thousand, ten".