202110121222 has 8 divisors (see below), whose sum is σ = 305025091416. Its totient is φ = 100435090752.

The previous prime is 202110121217. The next prime is 202110121223. The reversal of 202110121222 is 222121011202.

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 2×202110121222² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202110121196 and 202110121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202110121223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309984523 + ... + 309985174.

It is an arithmetic number, because the mean of its divisors is an integer number (38128136427).

Almost surely, 2^202110121222 is an apocalyptic number.

202110121222 is a deficient number, since it is larger than the sum of its proper divisors (102914970194).

202110121222 is a wasteful number, since it uses less digits than its factorization.

202110121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619969862.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202110121222 its reverse (222121011202), we get a palindrome (424231132424).

The spelling of 202110121222 in words is "two hundred two billion, one hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".