121790260201 has 24 divisors (see below), whose sum is σ = 133360058880. Its totient is φ = 110835584640.

The previous prime is 121790260171. The next prime is 121790260231. The reversal of 121790260201 is 102062097121.

It is an interprime number because it is at equal distance from previous prime (121790260171) and next prime (121790260231).

It is not a de Polignac number, because 121790260201 - 2¹⁷ = 121790129129 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121790260231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26251240 + ... + 26255878.

It is an arithmetic number, because the mean of its divisors is an integer number (5556669120).

Almost surely, 2^121790260201 is an apocalyptic number.

It is an amenable number.

121790260201 is a deficient number, since it is larger than the sum of its proper divisors (11569798679).

121790260201 is a wasteful number, since it uses less digits than its factorization.

121790260201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6325 (or 6294 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 121790260201 in words is "one hundred twenty-one billion, seven hundred ninety million, two hundred sixty thousand, two hundred one".