121222222202 has 32 divisors (see below), whose sum is σ = 192946756800. Its totient is φ = 56958795648.

The previous prime is 121222222169. The next prime is 121222222217. The reversal of 121222222202 is 202222222121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6524558 + ... + 6543110.

It is an arithmetic number, because the mean of its divisors is an integer number (6029586150).

Almost surely, 2^121222222202 is an apocalyptic number.

121222222202 is a deficient number, since it is larger than the sum of its proper divisors (71724534598).

121222222202 is a wasteful number, since it uses less digits than its factorization.

121222222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 121222222202 its reverse (202222222121), we get a palindrome (323444444323).

The spelling of 121222222202 in words is "one hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred two".