201022002112220 has 72 divisors (see below), whose sum is σ = 448465742904816. Its totient is φ = 75674366273536.

The previous prime is 201022002112189. The next prime is 201022002112411. The reversal of 201022002112220 is 22211200220102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 96869147 + ... + 98922573.

It is an arithmetic number, because the mean of its divisors is an integer number (6228690873678).

Almost surely, 2^{201022002112220} is an apocalyptic number.

201022002112220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022002112220 is an abundant number, since it is smaller than the sum of its proper divisors (247443740792596).

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

201022002112220 is a wasteful number, since it uses less digits than its factorization.

201022002112220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070407 (or 2070388 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 201022002112220 its reverse (22211200220102), we get a palindrome (223233202332322).

The spelling of 201022002112220 in words is "two hundred one trillion, twenty-two billion, two million, one hundred twelve thousand, two hundred twenty".