20022102111 has 16 divisors (see below), whose sum is σ = 29251363968. Its totient is φ = 12081146400.

The previous prime is 20022102097. The next prime is 20022102157. The reversal of 20022102111 is 11120122002.

It is not a de Polignac number, because 20022102111 - 2¹⁰ = 20022101087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022102011) 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, 1328920 + ... + 1343901.

It is an arithmetic number, because the mean of its divisors is an integer number (1828210248).

Almost surely, 2^20022102111 is an apocalyptic number.

20022102111 is a deficient number, since it is larger than the sum of its proper divisors (9229261857).

20022102111 is a wasteful number, since it uses less digits than its factorization.

20022102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2673062.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20022102111 its reverse (11120122002), we get a palindrome (31142224113).

The spelling of 20022102111 in words is "twenty billion, twenty-two million, one hundred two thousand, one hundred eleven".