202122120022 has 4 divisors (see below), whose sum is σ = 303183180036. Its totient is φ = 101061060010.

The previous prime is 202122119989. The next prime is 202122120043. The reversal of 202122120022 is 220021221202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220021221202 = 2 ⋅110010610601.

It is a junction number, because it is equal to n+sod(n) for n = 202122119978 and 202122120005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50530530004 + ... + 50530530007.

It is an arithmetic number, because the mean of its divisors is an integer number (75795795009).

Almost surely, 2^202122120022 is an apocalyptic number.

202122120022 is a deficient number, since it is larger than the sum of its proper divisors (101061060014).

202122120022 is a wasteful number, since it uses less digits than its factorization.

202122120022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101061060013.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202122120022 its reverse (220021221202), we get a palindrome (422143341224).

The spelling of 202122120022 in words is "two hundred two billion, one hundred twenty-two million, one hundred twenty thousand, twenty-two".