202002021122 has 8 divisors (see below), whose sum is σ = 330548761872. Its totient is φ = 91819100500.

The previous prime is 202002021107. The next prime is 202002021139. The reversal of 202002021122 is 221120200202.

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 = 202002021097 and 202002021106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4590955004 + ... + 4590955047.

It is an arithmetic number, because the mean of its divisors is an integer number (41318595234).

Almost surely, 2^202002021122 is an apocalyptic number.

202002021122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202002021122 is a deficient number, since it is larger than the sum of its proper divisors (128546740750).

202002021122 is a wasteful number, since it uses less digits than its factorization.

202002021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9181910064.

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

Adding to 202002021122 its reverse (221120200202), we get a palindrome (423122221324).

The spelling of 202002021122 in words is "two hundred two billion, two million, twenty-one thousand, one hundred twenty-two".