20021200011112 has 16 divisors (see below), whose sum is σ = 38412767463840. Its totient is φ = 9777795354096.

The previous prime is 20021200011089. The next prime is 20021200011139. The reversal of 20021200011112 is 21111000212002.

It is a super-2 number, since 2×20021200011112² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20021200011092 and 20021200011101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29100581068 + ... + 29100581755.

It is an arithmetic number, because the mean of its divisors is an integer number (2400797966490).

Almost surely, 2^{20021200011112} is an apocalyptic number.

It is an amenable number.

20021200011112 is a deficient number, since it is larger than the sum of its proper divisors (18391567452728).

20021200011112 is a wasteful number, since it uses less digits than its factorization.

20021200011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58201162872 (or 58201162868 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20021200011112 its reverse (21111000212002), we get a palindrome (41132200223114).

The spelling of 20021200011112 in words is "twenty trillion, twenty-one billion, two hundred million, eleven thousand, one hundred twelve".