121030607893 has 8 divisors (see below), whose sum is σ = 131121139968. Its totient is φ = 111051573744.

The previous prime is 121030607881. The next prime is 121030607897. The reversal of 121030607893 is 398706030121.

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 121030607893 - 2²¹ = 121028510741 is a prime.

It is a super-2 number, since 2×121030607893² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030607897) 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, 27872221 + ... + 27876562.

It is an arithmetic number, because the mean of its divisors is an integer number (16390142496).

Almost surely, 2^121030607893 is an apocalyptic number.

121030607893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121030607893 is a deficient number, since it is larger than the sum of its proper divisors (10090532075).

121030607893 is a wasteful number, since it uses less digits than its factorization.

121030607893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55748963.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 121030607893 in words is "one hundred twenty-one billion, thirty million, six hundred seven thousand, eight hundred ninety-three".