20100122002011 has 16 divisors (see below), whose sum is σ = 26804870226720. Its totient is φ = 13397727801600.

The previous prime is 20100122002007. The next prime is 20100122002063. The reversal of 20100122002011 is 11020022100102.

It is not a de Polignac number, because 20100122002011 - 2² = 20100122002007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20100122002211) 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, 741442125 + ... + 741469233.

It is an arithmetic number, because the mean of its divisors is an integer number (1675304389170).

Almost surely, 2^{20100122002011} is an apocalyptic number.

20100122002011 is a deficient number, since it is larger than the sum of its proper divisors (6704748224709).

20100122002011 is a wasteful number, since it uses less digits than its factorization.

20100122002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61406.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20100122002011 its reverse (11020022100102), we get a palindrome (31120144102113).

The spelling of 20100122002011 in words is "twenty trillion, one hundred billion, one hundred twenty-two million, two thousand, eleven".