20220212111 has 24 divisors (see below), whose sum is σ = 23509782240. Its totient is φ = 17341758720.

The previous prime is 20220212083. The next prime is 20220212119. The reversal of 20220212111 is 11121202202.

It is a de Polignac number, because none of the positive numbers 2^k-20220212111 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 (20220212119) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153395 + ... + 252923.

It is an arithmetic number, because the mean of its divisors is an integer number (979574260).

Almost surely, 2^20220212111 is an apocalyptic number.

20220212111 is a deficient number, since it is larger than the sum of its proper divisors (3289570129).

20220212111 is a wasteful number, since it uses less digits than its factorization.

20220212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99647 (or 99636 counting only the distinct ones).

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

Adding to 20220212111 its reverse (11121202202), we get a palindrome (31341414313).

Subtracting from 20220212111 its reverse (11121202202), we obtain a palindrome (9099009909).

The spelling of 20220212111 in words is "twenty billion, two hundred twenty million, two hundred twelve thousand, one hundred eleven".