20012201102 has 16 divisors (see below), whose sum is σ = 30187717632. Its totient is φ = 9949671480.

The previous prime is 20012201081. The next prime is 20012201113. The reversal of 20012201102 is 20110221002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076813 + ... + 1095239.

It is an arithmetic number, because the mean of its divisors is an integer number (1886732352).

Almost surely, 2^20012201102 is an apocalyptic number.

20012201102 is a deficient number, since it is larger than the sum of its proper divisors (10175516530).

20012201102 is a wasteful number, since it uses less digits than its factorization.

20012201102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21463.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20012201102 its reverse (20110221002), we get a palindrome (40122422104).

The spelling of 20012201102 in words is "twenty billion, twelve million, two hundred one thousand, one hundred two".