202112122210 has 32 divisors (see below), whose sum is σ = 372237871680. Its totient is φ = 78986985408.

The previous prime is 202112122189. The next prime is 202112122217. The reversal of 202112122210 is 12221211202.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (202112122217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954637 + ... + 1146976.

It is an arithmetic number, because the mean of its divisors is an integer number (11632433490).

Almost surely, 2^202112122210 is an apocalyptic number.

202112122210 is a deficient number, since it is larger than the sum of its proper divisors (170125749470).

202112122210 is a wasteful number, since it uses less digits than its factorization.

202112122210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101842.

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

Adding to 202112122210 its reverse (12221211202), we get a palindrome (214333333412).

The spelling of 202112122210 in words is "two hundred two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred ten".