121733872051 has 8 divisors (see below), whose sum is σ = 140612387184. Its totient is φ = 104157323520.

The previous prime is 121733872027. The next prime is 121733872079. The reversal of 121733872051 is 150278337121.

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 121733872051 - 2⁵ = 121733872019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121733871995 and 121733872013.

It is not an unprimeable number, because it can be changed into a prime (121733872151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325491450 + ... + 325491823.

It is an arithmetic number, because the mean of its divisors is an integer number (17576548398).

Almost surely, 2^121733872051 is an apocalyptic number.

121733872051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121733872051 is a deficient number, since it is larger than the sum of its proper divisors (18878515133).

121733872051 is a wasteful number, since it uses less digits than its factorization.

121733872051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650983301.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 121733872051 in words is "one hundred twenty-one billion, seven hundred thirty-three million, eight hundred seventy-two thousand, fifty-one".