121021022012201 has 16 divisors (see below), whose sum is σ = 121328003649408. Its totient is φ = 120714463900800.

The previous prime is 121021022012197. The next prime is 121021022012237. The reversal of 121021022012201 is 102210220120121.

It is a cyclic number.

It is not a de Polignac number, because 121021022012201 - 2² = 121021022012197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121021022012201.

It is not an unprimeable number, because it can be changed into a prime (121021022017201) 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, 3836684036 + ... + 3836715578.

It is an arithmetic number, because the mean of its divisors is an integer number (7583000228088).

Almost surely, 2^{121021022012201} is an apocalyptic number.

It is an amenable number.

121021022012201 is a deficient number, since it is larger than the sum of its proper divisors (306981637207).

121021022012201 is a wasteful number, since it uses less digits than its factorization.

121021022012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37952.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121021022012201 its reverse (102210220120121), we get a palindrome (223231242132322).

The spelling of 121021022012201 in words is "one hundred twenty-one trillion, twenty-one billion, twenty-two million, twelve thousand, two hundred one".