121201102122202 has 8 divisors (see below), whose sum is σ = 181806651550836. Its totient is φ = 60598884938592.

The previous prime is 121201102122197. The next prime is 121201102122209. The reversal of 121201102122202 is 202221201102121.

It can be written as a sum of positive squares in 2 ways, for example, as 120031284662641 + 1169817459561 = 10955879^2 + 1081581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 121201102122202.

It is not an unprimeable number, because it can be changed into a prime (121201102122209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832970323 + ... + 833115814.

Almost surely, 2^{121201102122202} is an apocalyptic number.

121201102122202 is a deficient number, since it is larger than the sum of its proper divisors (60605549428634).

121201102122202 is a wasteful number, since it uses less digits than its factorization.

121201102122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666122512.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 121201102122202 its reverse (202221201102121), we get a palindrome (323422303224323).

The spelling of 121201102122202 in words is "one hundred twenty-one trillion, two hundred one billion, one hundred two million, one hundred twenty-two thousand, two hundred two".