20011112120010 has 64 divisors (see below), whose sum is σ = 52393320201600. Its totient is φ = 4851124039680.

The previous prime is 20011112119993. The next prime is 20011112120057. The reversal of 20011112120010 is 1002121111002.

It is a super-2 number, since 2×20011112120010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34310994 + ... + 34889346.

It is an arithmetic number, because the mean of its divisors is an integer number (818645628150).

Almost surely, 2^{20011112120010} is an apocalyptic number.

20011112120010 is an abundant number, since it is smaller than the sum of its proper divisors (32382208081590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011112120010 is a wasteful number, since it uses less digits than its factorization.

20011112120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683223.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20011112120010 its reverse (1002121111002), we get a palindrome (21013233231012).

The spelling of 20011112120010 in words is "twenty trillion, eleven billion, one hundred twelve million, one hundred twenty thousand, ten".