121365275011271 has 8 divisors (see below), whose sum is σ = 122173148853888. Its totient is φ = 120557455515000.

The previous prime is 121365275011249. The next prime is 121365275011273. The reversal of 121365275011271 is 172110572563121.

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 121365275011271 - 2²² = 121365270816967 is a prime.

It is a super-2 number, since 2×121365275011271² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121365275011273) 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, 9100445 + ... + 18042966.

It is an arithmetic number, because the mean of its divisors is an integer number (15271643606736).

Almost surely, 2^{121365275011271} is an apocalyptic number.

121365275011271 is a deficient number, since it is larger than the sum of its proper divisors (807873842617).

121365275011271 is a wasteful number, since it uses less digits than its factorization.

121365275011271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27173173.

The product of its (nonzero) digits is 176400, while the sum is 44.

The spelling of 121365275011271 in words is "one hundred twenty-one trillion, three hundred sixty-five billion, two hundred seventy-five million, eleven thousand, two hundred seventy-one".