20202020102111 has 8 divisors (see below), whose sum is σ = 20409324230448. Its totient is φ = 19994858800000.

The previous prime is 20202020102057. The next prime is 20202020102113. The reversal of 20202020102111 is 11120102020202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20202020102111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202020102113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35422205 + ... + 35988006.

It is an arithmetic number, because the mean of its divisors is an integer number (2551165528806).

Almost surely, 2^{20202020102111} is an apocalyptic number.

20202020102111 is a deficient number, since it is larger than the sum of its proper divisors (207304128337).

20202020102111 is a wasteful number, since it uses less digits than its factorization.

20202020102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71413113.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20202020102111 its reverse (11120102020202), we get a palindrome (31322122122313).

The spelling of 20202020102111 in words is "twenty trillion, two hundred two billion, twenty million, one hundred two thousand, one hundred eleven".