202012220022102 has 144 divisors (see below), whose sum is σ = 548240788339920. Its totient is φ = 53401891286016.

The previous prime is 202012220022047. The next prime is 202012220022131. The reversal of 202012220022102 is 201220022210202.

202012220022102 is a `hidden beast` number, since 20 + 201 + 2 + 220 + 0 + 221 + 0 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 113292223 + ... + 115061514.

It is an arithmetic number, because the mean of its divisors is an integer number (3807227696805).

Almost surely, 2^{202012220022102} is an apocalyptic number.

202012220022102 is an abundant number, since it is smaller than the sum of its proper divisors (346228568317818).

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

202012220022102 is a wasteful number, since it uses less digits than its factorization.

202012220022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228353835 (or 228353825 counting only the distinct ones).

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

Adding to 202012220022102 its reverse (201220022210202), we get a palindrome (403232242232304).

The spelling of 202012220022102 in words is "two hundred two trillion, twelve billion, two hundred twenty million, twenty-two thousand, one hundred two".