120902199121 has 8 divisors (see below), whose sum is σ = 136441353600. Its totient is φ = 106121052240.

The previous prime is 120902199113. The next prime is 120902199149. The reversal of 120902199121 is 121991209021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120902199121 - 2³ = 120902199113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120902199721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189501561 + ... + 189502198.

It is an arithmetic number, because the mean of its divisors is an integer number (17055169200).

Almost surely, 2^120902199121 is an apocalyptic number.

120902199121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120902199121 is a deficient number, since it is larger than the sum of its proper divisors (15539154479).

120902199121 is a wasteful number, since it uses less digits than its factorization.

120902199121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379003799.

The product of its (nonzero) digits is 5832, while the sum is 37.

It can be divided in two parts, 120902 and 199121, that added together give a palindrome (320023).

The spelling of 120902199121 in words is "one hundred twenty billion, nine hundred two million, one hundred ninety-nine thousand, one hundred twenty-one".