121210002201 has 16 divisors (see below), whose sum is σ = 167420395008. Its totient is φ = 77921692800.

The previous prime is 121210002191. The next prime is 121210002209. The reversal of 121210002201 is 102200012121.

It is not a de Polignac number, because 121210002201 - 2²³ = 121201613593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121210002209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2292966 + ... + 2345231.

It is an arithmetic number, because the mean of its divisors is an integer number (10463774688).

Almost surely, 2^121210002201 is an apocalyptic number.

It is an amenable number.

121210002201 is a deficient number, since it is larger than the sum of its proper divisors (46210392807).

121210002201 is a wasteful number, since it uses less digits than its factorization.

121210002201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638512.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121210002201 its reverse (102200012121), we get a palindrome (223410014322).

The spelling of 121210002201 in words is "one hundred twenty-one billion, two hundred ten million, two thousand, two hundred one".