202001121211122 has 24 divisors (see below), whose sum is σ = 437669361312300. Its totient is φ = 67333666246560.

The previous prime is 202001121211117. The next prime is 202001121211147. The reversal of 202001121211122 is 221112121100202.

202001121211122 is a `hidden beast` number, since 20 + 200 + 112 + 1 + 211 + 122 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 201515087751201 + 486033459921 = 14195601^2 + 697161^2 .

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 = 202001121211095 and 202001121211104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48570972 + ... + 52565592.

Almost surely, 2^{202001121211122} is an apocalyptic number.

202001121211122 is an abundant number, since it is smaller than the sum of its proper divisors (235668240101178).

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

202001121211122 is a wasteful number, since it uses less digits than its factorization.

202001121211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6803978 (or 6803975 counting only the distinct ones).

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

Adding to 202001121211122 its reverse (221112121100202), we get a palindrome (423113242311324).

The spelling of 202001121211122 in words is "two hundred two trillion, one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twenty-two".