202001202122 has 8 divisors (see below), whose sum is σ = 303006108900. Its totient is φ = 100999165824.

The previous prime is 202001202077. The next prime is 202001202127. The reversal of 202001202122 is 221202100202.

It can be written as a sum of positive squares in 2 ways, for example, as 185563654441 + 16437547681 = 430771^2 + 128209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 202001202097 and 202001202106.

It is not an unprimeable number, because it can be changed into a prime (202001202127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532097 + ... + 828932.

Almost surely, 2^202001202122 is an apocalyptic number.

202001202122 is a deficient number, since it is larger than the sum of its proper divisors (101004906778).

202001202122 is a wasteful number, since it uses less digits than its factorization.

202001202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435240.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202001202122 its reverse (221202100202), we get a palindrome (423203302324).

The spelling of 202001202122 in words is "two hundred two billion, one million, two hundred two thousand, one hundred twenty-two".