121183021201 has 24 divisors (see below), whose sum is σ = 137015184384. Its totient is φ = 106290085440.

The previous prime is 121183021177. The next prime is 121183021241. The reversal of 121183021201 is 102120381121.

It is not a de Polignac number, because 121183021201 - 2³¹ = 119035537553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121183021241) 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, 15380475 + ... + 15388351.

It is an arithmetic number, because the mean of its divisors is an integer number (5708966016).

Almost surely, 2^121183021201 is an apocalyptic number.

121183021201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121183021201 is a deficient number, since it is larger than the sum of its proper divisors (15832163183).

121183021201 is a wasteful number, since it uses less digits than its factorization.

121183021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9609 (or 9580 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

The spelling of 121183021201 in words is "one hundred twenty-one billion, one hundred eighty-three million, twenty-one thousand, two hundred one".