101012102011 has 4 divisors (see below), whose sum is σ = 101013148224. Its totient is φ = 101011055800.

The previous prime is 101012101997. The next prime is 101012102021. The reversal of 101012102011 is 110201210101.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101012102021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361675 + ... + 576916.

It is an arithmetic number, because the mean of its divisors is an integer number (25253287056).

Almost surely, 2^101012102011 is an apocalyptic number.

101012102011 is a deficient number, since it is larger than the sum of its proper divisors (1046213).

101012102011 is an equidigital number, since it uses as much as digits as its factorization.

101012102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046212.

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

Adding to 101012102011 its reverse (110201210101), we get a palindrome (211213312112).

It can be divided in two parts, 10101 and 2102011, that added together give a palindrome (2112112).

The spelling of 101012102011 in words is "one hundred one billion, twelve million, one hundred two thousand, eleven".