121201222202 has 16 divisors (see below), whose sum is σ = 184825412232. Its totient is φ = 59593216320.

The previous prime is 121201222193. The next prime is 121201222231. The reversal of 121201222202 is 202222102121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 121096344121 + 104878081 = 347989^2 + 10241^2 .

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, 417548 + ... + 645560.

Almost surely, 2^121201222202 is an apocalyptic number.

121201222202 is a deficient number, since it is larger than the sum of its proper divisors (63624190030).

121201222202 is a wasteful number, since it uses less digits than its factorization.

121201222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232433.

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

Adding to 121201222202 its reverse (202222102121), we get a palindrome (323423324323).

The spelling of 121201222202 in words is "one hundred twenty-one billion, two hundred one million, two hundred twenty-two thousand, two hundred two".