202120202122 has 8 divisors (see below), whose sum is σ = 303314046336. Its totient is φ = 101015520012.

The previous prime is 202120202111. The next prime is 202120202143. The reversal of 202120202122 is 221202021202.

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

It is a super-2 number, since 2×202120202122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202120202096 and 202120202105.

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, 22284858 + ... + 22293925.

It is an arithmetic number, because the mean of its divisors is an integer number (37914255792).

Almost surely, 2^202120202122 is an apocalyptic number.

202120202122 is a deficient number, since it is larger than the sum of its proper divisors (101193844214).

202120202122 is a wasteful number, since it uses less digits than its factorization.

202120202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44581052.

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

Adding to 202120202122 its reverse (221202021202), we get a palindrome (423322223324).

The spelling of 202120202122 in words is "two hundred two billion, one hundred twenty million, two hundred two thousand, one hundred twenty-two".