121771332141 has 16 divisors (see below), whose sum is σ = 163021118400. Its totient is φ = 80851324928.

The previous prime is 121771332103. The next prime is 121771332143. The reversal of 121771332141 is 141233177121.

It is a cyclic number.

It is not a de Polignac number, because 121771332141 - 2⁷ = 121771332013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121771332143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6790495 + ... + 6808403.

It is an arithmetic number, because the mean of its divisors is an integer number (10188819900).

Almost surely, 2^121771332141 is an apocalyptic number.

It is an amenable number.

121771332141 is a deficient number, since it is larger than the sum of its proper divisors (41249786259).

121771332141 is a wasteful number, since it uses less digits than its factorization.

121771332141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26988.

The product of its digits is 7056, while the sum is 33.

The spelling of 121771332141 in words is "one hundred twenty-one billion, seven hundred seventy-one million, three hundred thirty-two thousand, one hundred forty-one".