20112100011010 has 128 divisors (see below), whose sum is σ = 46271970607104. Its totient is φ = 6134540590080.

The previous prime is 20112100010987. The next prime is 20112100011043. The reversal of 20112100011010 is 1011000121102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4753162 + ... + 7925701.

It is an arithmetic number, because the mean of its divisors is an integer number (361499770368).

Almost surely, 2^{20112100011010} is an apocalyptic number.

20112100011010 is an abundant number, since it is smaller than the sum of its proper divisors (26159870596094).

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

20112100011010 is a wasteful number, since it uses less digits than its factorization.

20112100011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678968.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20112100011010 its reverse (1011000121102), we get a palindrome (21123100132112).

The spelling of 20112100011010 in words is "twenty trillion, one hundred twelve billion, one hundred million, eleven thousand, ten".