201021010220112 has 80 divisors (see below), whose sum is σ = 521704371104640. Its totient is φ = 66697462319616.

The previous prime is 201021010220083. The next prime is 201021010220113. The reversal of 201021010220112 is 211022010120102.

It is a junction number, because it is equal to n+sod(n) for n = 201021010220091 and 201021010220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201021010220113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41022418 + ... + 45660494.

It is an arithmetic number, because the mean of its divisors is an integer number (6521304638808).

Almost surely, 2^{201021010220112} is an apocalyptic number.

It is an amenable number.

201021010220112 is an abundant number, since it is smaller than the sum of its proper divisors (320683360884528).

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

201021010220112 is a wasteful number, since it uses less digits than its factorization.

201021010220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642260 (or 4642254 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201021010220112 its reverse (211022010120102), we get a palindrome (412043020340214).

The spelling of 201021010220112 in words is "two hundred one trillion, twenty-one billion, ten million, two hundred twenty thousand, one hundred twelve".