202111110220012 has 24 divisors (see below), whose sum is σ = 404236277553920. Its totient is φ = 86616034998480.

The previous prime is 202111110219979. The next prime is 202111110220081. The reversal of 202111110220012 is 210022011111202.

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, 124690314 + ... + 126300817.

Almost surely, 2^{202111110220012} is an apocalyptic number.

It is an amenable number.

202111110220012 is an abundant number, since it is smaller than the sum of its proper divisors (202125167333908).

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

202111110220012 is a wasteful number, since it uses less digits than its factorization.

202111110220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251019901 (or 251019899 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202111110220012 its reverse (210022011111202), we get a palindrome (412133121331214).

The spelling of 202111110220012 in words is "two hundred two trillion, one hundred eleven billion, one hundred ten million, two hundred twenty thousand, twelve".