121203222202 has 16 divisors (see below), whose sum is σ = 202630775040. Its totient is φ = 54034872768.

The previous prime is 121203222169. The next prime is 121203222223. The reversal of 121203222202 is 202222302121.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 121203222202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93809898 + ... + 93811189.

It is an arithmetic number, because the mean of its divisors is an integer number (12664423440).

Almost surely, 2^121203222202 is an apocalyptic number.

121203222202 is a deficient number, since it is larger than the sum of its proper divisors (81427552838).

121203222202 is a wasteful number, since it uses less digits than its factorization.

121203222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187621125.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 121203222202 its reverse (202222302121), we get a palindrome (323425524323).

The spelling of 121203222202 in words is "one hundred twenty-one billion, two hundred three million, two hundred twenty-two thousand, two hundred two".