202111012220012 has 24 divisors (see below), whose sum is σ = 404223504410880. Its totient is φ = 86618688100560.

The previous prime is 202111012219969. The next prime is 202111012220041. The reversal of 202111012220012 is 210022210111202.

It is a super-2 number, since 2×202111012220012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5347712 + ... + 20804327.

It is an arithmetic number, because the mean of its divisors is an integer number (16842646017120).

Almost surely, 2^{202111012220012} is an apocalyptic number.

It is an amenable number.

202111012220012 is an abundant number, since it is smaller than the sum of its proper divisors (202112492190868).

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

202111012220012 is a wasteful number, since it uses less digits than its factorization.

202111012220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26428061 (or 26428059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202111012220012 its reverse (210022210111202), we get a palindrome (412133222331214).

The spelling of 202111012220012 in words is "two hundred two trillion, one hundred eleven billion, twelve million, two hundred twenty thousand, twelve".