20102210011011 has 16 divisors (see below), whose sum is σ = 26905316106240. Its totient is φ = 13350290360640.

The previous prime is 20102210011003. The next prime is 20102210011061. The reversal of 20102210011011 is 11011001220102.

It is not a de Polignac number, because 20102210011011 - 2³ = 20102210011003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102210011061) 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, 55262535 + ... + 55625103.

It is an arithmetic number, because the mean of its divisors is an integer number (1681582256640).

Almost surely, 2^{20102210011011} is an apocalyptic number.

20102210011011 is a deficient number, since it is larger than the sum of its proper divisors (6803106095229).

20102210011011 is a wasteful number, since it uses less digits than its factorization.

20102210011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433106.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20102210011011 its reverse (11011001220102), we get a palindrome (31113211231113).

The spelling of 20102210011011 in words is "twenty trillion, one hundred two billion, two hundred ten million, eleven thousand, eleven".