121000002201 has 32 divisors (see below), whose sum is σ = 199705296000. Its totient is φ = 71893894464.

The previous prime is 121000002199. The next prime is 121000002223. The reversal of 121000002201 is 102200000121.

It is not a de Polignac number, because 121000002201 - 2¹ = 121000002199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (121000002241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5933431 + ... + 5953788.

It is an arithmetic number, because the mean of its divisors is an integer number (6240790500).

Almost surely, 2^121000002201 is an apocalyptic number.

It is an amenable number.

121000002201 is a deficient number, since it is larger than the sum of its proper divisors (78705293799).

121000002201 is a wasteful number, since it uses less digits than its factorization.

121000002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11887270 (or 11887264 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 121000002201 its reverse (102200000121), we get a palindrome (223200002322).

The spelling of 121000002201 in words is "one hundred twenty-one billion, two thousand, two hundred one".