20202221211112 has 32 divisors (see below), whose sum is σ = 38359080000000. Its totient is φ = 9973136092608.

The previous prime is 20202221211079. The next prime is 20202221211113. The reversal of 20202221211112 is 21111212220202.

It is a self number, because there is not a number n which added to its sum of digits gives 20202221211112.

It is not an unprimeable number, because it can be changed into a prime (20202221211113) 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, 100228689 + ... + 100430047.

It is an arithmetic number, because the mean of its divisors is an integer number (1198721250000).

Almost surely, 2^{20202221211112} is an apocalyptic number.

It is an amenable number.

20202221211112 is a deficient number, since it is larger than the sum of its proper divisors (18156858788888).

20202221211112 is a wasteful number, since it uses less digits than its factorization.

20202221211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360193 (or 360189 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20202221211112 its reverse (21111212220202), we get a palindrome (41313433431314).

The spelling of 20202221211112 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twelve".