121200202102202 has 16 divisors (see below), whose sum is σ = 186096384714240. Its totient is φ = 59169106705632.

The previous prime is 121200202102151. The next prime is 121200202102237. The reversal of 121200202102202 is 202201202002121.

It is a happy number.

It is a super-2 number, since 2×121200202102202² (a number of 29 digits) contains 22 as substring.

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, 257974298 + ... + 258443685.

It is an arithmetic number, because the mean of its divisors is an integer number (11631024044640).

Almost surely, 2^{121200202102202} is an apocalyptic number.

121200202102202 is a deficient number, since it is larger than the sum of its proper divisors (64896182612038).

121200202102202 is a wasteful number, since it uses less digits than its factorization.

121200202102202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516420757.

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

Adding to 121200202102202 its reverse (202201202002121), we get a palindrome (323401404104323).

The spelling of 121200202102202 in words is "one hundred twenty-one trillion, two hundred billion, two hundred two million, one hundred two thousand, two hundred two".