202201221020122 has 8 divisors (see below), whose sum is σ = 309755061988416. Its totient is φ = 98949533690652.

The previous prime is 202201221020119. The next prime is 202201221020137. The reversal of 202201221020122 is 221020122102202.

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

It is a self number, because there is not a number n which added to its sum of digits gives 202201221020122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1075538409588 + ... + 1075538409775.

It is an arithmetic number, because the mean of its divisors is an integer number (38719382748552).

Almost surely, 2^{202201221020122} is an apocalyptic number.

202201221020122 is a deficient number, since it is larger than the sum of its proper divisors (107553840968294).

202201221020122 is a wasteful number, since it uses less digits than its factorization.

202201221020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151076819412.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202201221020122 its reverse (221020122102202), we get a palindrome (423221343122324).

The spelling of 202201221020122 in words is "two hundred two trillion, two hundred one billion, two hundred twenty-one million, twenty thousand, one hundred twenty-two".