121202210222 has 16 divisors (see below), whose sum is σ = 190136073600. Its totient is φ = 57835415352.

The previous prime is 121202210221. The next prime is 121202210237. The reversal of 121202210222 is 222012202121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 121202210222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121202210221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2953472 + ... + 2994227.

It is an arithmetic number, because the mean of its divisors is an integer number (11883504600).

Almost surely, 2^121202210222 is an apocalyptic number.

121202210222 is a deficient number, since it is larger than the sum of its proper divisors (68933863378).

121202210222 is a wasteful number, since it uses less digits than its factorization.

121202210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948167.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 121202210222 its reverse (222012202121), we get a palindrome (343214412343).

The spelling of 121202210222 in words is "one hundred twenty-one billion, two hundred two million, two hundred ten thousand, two hundred twenty-two".