20100201111112 has 32 divisors (see below), whose sum is σ = 37885894801920. Its totient is φ = 9997297773760.

The previous prime is 20100201111091. The next prime is 20100201111113. The reversal of 20100201111112 is 21111110200102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20100201111092 and 20100201111101.

It is not an unprimeable number, because it can be changed into a prime (20100201111113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124767798 + ... + 124928794.

It is an arithmetic number, because the mean of its divisors is an integer number (1183934212560).

Almost surely, 2^{20100201111112} is an apocalyptic number.

It is an amenable number.

20100201111112 is a deficient number, since it is larger than the sum of its proper divisors (17785693690808).

20100201111112 is a wasteful number, since it uses less digits than its factorization.

20100201111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242901 (or 242897 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 20100201111112 its reverse (21111110200102), we get a palindrome (41211311311214).

The spelling of 20100201111112 in words is "twenty trillion, one hundred billion, two hundred one million, one hundred eleven thousand, one hundred twelve".