121140061051 has 4 divisors (see below), whose sum is σ = 121522206672. Its totient is φ = 120757915432.

The previous prime is 121140061013. The next prime is 121140061057. The reversal of 121140061051 is 150160041121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121140061051 - 2¹⁷ = 121139929979 is a prime.

It is a super-3 number, since 3×121140061051³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121140061057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191072335 + ... + 191072968.

It is an arithmetic number, because the mean of its divisors is an integer number (30380551668).

Almost surely, 2^121140061051 is an apocalyptic number.

121140061051 is a deficient number, since it is larger than the sum of its proper divisors (382145621).

121140061051 is an equidigital number, since it uses as much as digits as its factorization.

121140061051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382145620.

The product of its (nonzero) digits is 240, while the sum is 22.

The spelling of 121140061051 in words is "one hundred twenty-one billion, one hundred forty million, sixty-one thousand, fifty-one".