203202021010122 has 12 divisors (see below), whose sum is σ = 440271045521970. Its totient is φ = 67734007003368.

The previous prime is 203202021010111. The next prime is 203202021010129. The reversal of 203202021010122 is 221010120202302.

203202021010122 is a `hidden beast` number, since 2 + 0 + 320 + 2 + 0 + 210 + 10 + 122 = 666.

It can be written as a sum of positive squares in only one way, i.e., 200499058133361 + 2702962876761 = 14159769^2 + 1644069^2 .

It is a super-2 number, since 2×203202021010122² (a number of 29 digits) contains 22 as substring.

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: 11289001167229 = 203202021010122 / (2 + 0 + 3 + 2 + 0 + 2 + 0 + 2 + 1 + 0 + 1 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 203202021010095 and 203202021010104.

It is not an unprimeable number, because it can be changed into a prime (203202021010129) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5644500583597 + ... + 5644500583632.

Almost surely, 2^{203202021010122} is an apocalyptic number.

203202021010122 is an abundant number, since it is smaller than the sum of its proper divisors (237069024511848).

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

203202021010122 is a wasteful number, since it uses less digits than its factorization.

203202021010122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289001167237 (or 11289001167234 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 203202021010122 its reverse (221010120202302), we get a palindrome (424212141212424).

The spelling of 203202021010122 in words is "two hundred three trillion, two hundred two billion, twenty-one million, ten thousand, one hundred twenty-two".