20011201011112 has 64 divisors (see below), whose sum is σ = 40151908238400. Its totient is φ = 9321588864000.

The previous prime is 20011201011107. The next prime is 20011201011157. The reversal of 20011201011112 is 21111010211002.

It is a happy number.

It is a super-2 number, since 2×20011201011112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20011201011092 and 20011201011101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43264912 + ... + 43724992.

It is an arithmetic number, because the mean of its divisors is an integer number (627373566225).

Almost surely, 2^{20011201011112} is an apocalyptic number.

It is an amenable number.

20011201011112 is an abundant number, since it is smaller than the sum of its proper divisors (20140707227288).

20011201011112 is a wasteful number, since it uses less digits than its factorization.

20011201011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464858 (or 464854 counting only the distinct ones).

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

Adding to 20011201011112 its reverse (21111010211002), we get a palindrome (41122211222114).

The spelling of 20011201011112 in words is "twenty trillion, eleven billion, two hundred one million, eleven thousand, one hundred twelve".