20202210212122 has 8 divisors (see below), whose sum is σ = 31042420569972. Its totient is φ = 9854736688800.

The previous prime is 20202210212117. The next prime is 20202210212143. The reversal of 20202210212122 is 22121201220202.

It can be written as a sum of positive squares in 2 ways, for example, as 19558603545121 + 643606667001 = 4422511^2 + 802251^2 .

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 20202210212122.

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, 123184208529 + ... + 123184208692.

Almost surely, 2^{20202210212122} is an apocalyptic number.

20202210212122 is a deficient number, since it is larger than the sum of its proper divisors (10840210357850).

20202210212122 is a wasteful number, since it uses less digits than its factorization.

20202210212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246368417264.

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

Adding to 20202210212122 its reverse (22121201220202), we get a palindrome (42323411432324).

The spelling of 20202210212122 in words is "twenty trillion, two hundred two billion, two hundred ten million, two hundred twelve thousand, one hundred twenty-two".