201222020202102 has 24 divisors (see below), whose sum is σ = 436952048340600. Its totient is φ = 66924621415680.

The previous prime is 201222020202097. The next prime is 201222020202107. The reversal of 201222020202102 is 201202020222102.

201222020202102 is a `hidden beast` number, since 20 + 12 + 220 + 202 + 0 + 210 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (201222020202097) and next prime (201222020202107).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201222020202107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12448768224 + ... + 12448784387.

It is an arithmetic number, because the mean of its divisors is an integer number (18206335347525).

Almost surely, 2^{201222020202102} is an apocalyptic number.

201222020202102 is an abundant number, since it is smaller than the sum of its proper divisors (235730028138498).

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

201222020202102 is a wasteful number, since it uses less digits than its factorization.

201222020202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24897553068 (or 24897553065 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 201222020202102 its reverse (201202020222102), we get a palindrome (402424040424204).

The spelling of 201222020202102 in words is "two hundred one trillion, two hundred twenty-two billion, twenty million, two hundred two thousand, one hundred two".