20101013211 has 16 divisors (see below), whose sum is σ = 27682024448. Its totient is φ = 12960842400.

The previous prime is 20101013161. The next prime is 20101013239. The reversal of 20101013211 is 11231010102.

It is not a de Polignac number, because 20101013211 - 2⁹ = 20101012699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20101013411) 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, 99840 + ... + 223986.

It is an arithmetic number, because the mean of its divisors is an integer number (1730126528).

Almost surely, 2^20101013211 is an apocalyptic number.

20101013211 is a deficient number, since it is larger than the sum of its proper divisors (7581011237).

20101013211 is a wasteful number, since it uses less digits than its factorization.

20101013211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125922.

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

Adding to 20101013211 its reverse (11231010102), we get a palindrome (31332023313).

The spelling of 20101013211 in words is "twenty billion, one hundred one million, thirteen thousand, two hundred eleven".