121022002012201 has 4 divisors (see below), whose sum is σ = 121022027501904. Its totient is φ = 121021976522500.

The previous prime is 121022002012159. The next prime is 121022002012231. The reversal of 121022002012201 is 102210200220121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121022002012201 - 2²⁷ = 121021867794473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121022002012231) 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, 3280075 + ... + 15899776.

It is an arithmetic number, because the mean of its divisors is an integer number (30255506875476).

Almost surely, 2^{121022002012201} is an apocalyptic number.

It is an amenable number.

121022002012201 is a deficient number, since it is larger than the sum of its proper divisors (25489703).

121022002012201 is an equidigital number, since it uses as much as digits as its factorization.

121022002012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25489702.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 121022002012201 its reverse (102210200220121), we get a palindrome (223232202232322).

The spelling of 121022002012201 in words is "one hundred twenty-one trillion, twenty-two billion, two million, twelve thousand, two hundred one".