20220121112 has 16 divisors (see below), whose sum is σ = 37916245800. Its totient is φ = 10109122240.

The previous prime is 20220121091. The next prime is 20220121133. The reversal of 20220121112 is 21112102202.

It is an interprime number because it is at equal distance from previous prime (20220121091) and next prime (20220121133).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21062 + ... + 202197.

Almost surely, 2^20220121112 is an apocalyptic number.

It is an amenable number.

20220121112 is a deficient number, since it is larger than the sum of its proper divisors (17696124688).

20220121112 is a wasteful number, since it uses less digits than its factorization.

20220121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234586 (or 234582 counting only the distinct ones).

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

Adding to 20220121112 its reverse (21112102202), we get a palindrome (41332223314).

The spelling of 20220121112 in words is "twenty billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twelve".