20102212021011 has 16 divisors (see below), whose sum is σ = 27462421109760. Its totient is φ = 13071875503680.

The previous prime is 20102212020973. The next prime is 20102212021069. The reversal of 20102212021011 is 11012021220102.

It is not a de Polignac number, because 20102212021011 - 2³⁸ = 19827334114067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20102212023011) 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, 16496431 + ... + 17673048.

It is an arithmetic number, because the mean of its divisors is an integer number (1716401319360).

Almost surely, 2^{20102212021011} is an apocalyptic number.

20102212021011 is a deficient number, since it is larger than the sum of its proper divisors (7360209088749).

20102212021011 is a wasteful number, since it uses less digits than its factorization.

20102212021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34174306.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20102212021011 its reverse (11012021220102), we get a palindrome (31114233241113).

The spelling of 20102212021011 in words is "twenty trillion, one hundred two billion, two hundred twelve million, twenty-one thousand, eleven".