121901271833 has 16 divisors (see below), whose sum is σ = 140839637760. Its totient is φ = 104275449600.

The previous prime is 121901271827. The next prime is 121901271851. The reversal of 121901271833 is 338172109121.

It is a cyclic number.

It is not a de Polignac number, because 121901271833 - 2¹⁸ = 121901009689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121901271803) 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, 722363 + ... + 874991.

It is an arithmetic number, because the mean of its divisors is an integer number (8802477360).

Almost surely, 2^121901271833 is an apocalyptic number.

It is an amenable number.

121901271833 is a deficient number, since it is larger than the sum of its proper divisors (18938365927).

121901271833 is a wasteful number, since it uses less digits than its factorization.

121901271833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156928.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 121901271833 in words is "one hundred twenty-one billion, nine hundred one million, two hundred seventy-one thousand, eight hundred thirty-three".