202001111121222 has 96 divisors (see below), whose sum is σ = 500485616467200. Its totient is φ = 57680875796544.

The previous prime is 202001111121209. The next prime is 202001111121253. The reversal of 202001111121222 is 222121111100202.

202001111121222 is a `hidden beast` number, since 20 + 200 + 111 + 112 + 1 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 202001111121195 and 202001111121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1565993413 + ... + 1566122399.

It is an arithmetic number, because the mean of its divisors is an integer number (5213391838200).

Almost surely, 2^{202001111121222} is an apocalyptic number.

202001111121222 is an abundant number, since it is smaller than the sum of its proper divisors (298484505345978).

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

202001111121222 is a wasteful number, since it uses less digits than its factorization.

202001111121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136170 (or 136167 counting only the distinct ones).

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

Adding to 202001111121222 its reverse (222121111100202), we get a palindrome (424122222221424).

The spelling of 202001111121222 in words is "two hundred two trillion, one billion, one hundred eleven million, one hundred twenty-one thousand, two hundred twenty-two".