20102211000111 has 64 divisors (see below), whose sum is σ = 30706447564800. Its totient is φ = 11636124595200.

The previous prime is 20102211000083. The next prime is 20102211000133. The reversal of 20102211000111 is 11100011220102.

It is not a de Polignac number, because 20102211000111 - 2³⁰ = 20101137258287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211000161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1500655 + ... + 6515856.

It is an arithmetic number, because the mean of its divisors is an integer number (479788243200).

Almost surely, 2^{20102211000111} is an apocalyptic number.

20102211000111 is a deficient number, since it is larger than the sum of its proper divisors (10604236564689).

20102211000111 is a wasteful number, since it uses less digits than its factorization.

20102211000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016640.

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

Adding to 20102211000111 its reverse (11100011220102), we get a palindrome (31202222220213).

The spelling of 20102211000111 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred eleven", and thus it is an aban number.