202111022012 has 12 divisors (see below), whose sum is σ = 354240961200. Its totient is φ = 100899318816.

The previous prime is 202111021969. The next prime is 202111022027. The reversal of 202111022012 is 210220111202.

It is a congruent number.

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, 39045137 + ... + 39050312.

It is an arithmetic number, because the mean of its divisors is an integer number (29520080100).

Almost surely, 2^202111022012 is an apocalyptic number.

It is an amenable number.

202111022012 is a deficient number, since it is larger than the sum of its proper divisors (152129939188).

202111022012 is a wasteful number, since it uses less digits than its factorization.

202111022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78096100 (or 78096098 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202111022012 its reverse (210220111202), we get a palindrome (412331133214).

The spelling of 202111022012 in words is "two hundred two billion, one hundred eleven million, twenty-two thousand, twelve".