20012231102 has 24 divisors (see below), whose sum is σ = 31325328936. Its totient is φ = 9587370000.

The previous prime is 20012231093. The next prime is 20012231111. The reversal of 20012231102 is 20113221002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20012231093) and next prime (20012231111).

It is a super-2 number, since 2×20012231102² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142577 + ... + 245667.

It is an arithmetic number, because the mean of its divisors is an integer number (1305222039).

Almost surely, 2^20012231102 is an apocalyptic number.

20012231102 is a deficient number, since it is larger than the sum of its proper divisors (11313097834).

20012231102 is a wasteful number, since it uses less digits than its factorization.

20012231102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103256 (or 103225 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20012231102 its reverse (20113221002), we get a palindrome (40125452104).

The spelling of 20012231102 in words is "twenty billion, twelve million, two hundred thirty-one thousand, one hundred two".