202122001982 has 8 divisors (see below), whose sum is σ = 310233770616. Its totient is φ = 98710745112.

The previous prime is 202122001867. The next prime is 202122002009. The reversal of 202122001982 is 289100221202.

It is a happy number.

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

It is a super-2 number, since 2×202122001982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 1175127833 + ... + 1175128004.

It is an arithmetic number, because the mean of its divisors is an integer number (38779221327).

Almost surely, 2^202122001982 is an apocalyptic number.

202122001982 is a deficient number, since it is larger than the sum of its proper divisors (108111768634).

202122001982 is a wasteful number, since it uses less digits than its factorization.

202122001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350255882.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 202122001982 in words is "two hundred two billion, one hundred twenty-two million, one thousand, nine hundred eighty-two".