121055817935 has 48 divisors (see below), whose sum is σ = 163548241920. Its totient is φ = 85886386560.

The previous prime is 121055817929. The next prime is 121055817943. The reversal of 121055817935 is 539718550121.

It is not a de Polignac number, because 121055817935 - 2³⁴ = 103875948751 is a prime.

It is a super-2 number, since 2×121055817935² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121055817935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3624482 + ... + 3657728.

It is an arithmetic number, because the mean of its divisors is an integer number (3407255040).

Almost surely, 2^121055817935 is an apocalyptic number.

121055817935 is a deficient number, since it is larger than the sum of its proper divisors (42492423985).

121055817935 is a wasteful number, since it uses less digits than its factorization.

121055817935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33448 (or 33435 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 47.

The spelling of 121055817935 in words is "one hundred twenty-one billion, fifty-five million, eight hundred seventeen thousand, nine hundred thirty-five".