202010212111122 has 12 divisors (see below), whose sum is σ = 437688792907470. Its totient is φ = 67336737370368.

The previous prime is 202010212111079. The next prime is 202010212111139. The reversal of 202010212111122 is 221111212010202.

202010212111122 is a `hidden beast` number, since 20 + 201 + 0 + 212 + 111 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 151873064095041 + 50137148016081 = 12323679^2 + 7080759^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11222789561729 = 202010212111122 / (2 + 0 + 2 + 0 + 1 + 0 + 2 + 1 + 2 + 1 + 1 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 202010212111095 and 202010212111104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5611394780847 + ... + 5611394780882.

Almost surely, 2^{202010212111122} is an apocalyptic number.

202010212111122 is an abundant number, since it is smaller than the sum of its proper divisors (235678580796348).

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

202010212111122 is a wasteful number, since it uses less digits than its factorization.

202010212111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11222789561737 (or 11222789561734 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202010212111122 its reverse (221111212010202), we get a palindrome (423121424121324).

The spelling of 202010212111122 in words is "two hundred two trillion, ten billion, two hundred twelve million, one hundred eleven thousand, one hundred twenty-two".