202111101212 has 96 divisors (see below), whose sum is σ = 373727934720. Its totient is φ = 95549875200.

The previous prime is 202111101191. The next prime is 202111101263. The reversal of 202111101212 is 212101111202.

It is a congruent number.

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, 230456918 + ... + 230457794.

It is an arithmetic number, because the mean of its divisors is an integer number (3892999320).

Almost surely, 2^202111101212 is an apocalyptic number.

It is an amenable number.

202111101212 is a deficient number, since it is larger than the sum of its proper divisors (171616833508).

202111101212 is a wasteful number, since it uses less digits than its factorization.

202111101212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311 (or 1309 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 202111101212 its reverse (212101111202), we get a palindrome (414212212414).

The spelling of 202111101212 in words is "two hundred two billion, one hundred eleven million, one hundred one thousand, two hundred twelve".