121771060242 has 48 divisors (see below), whose sum is σ = 265794001920. Its totient is φ = 37172955456.

The previous prime is 121771060217. The next prime is 121771060259. The reversal of 121771060242 is 242060177121.

It is a super-2 number, since 2×121771060242² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 344017 + ... + 601572.

It is an arithmetic number, because the mean of its divisors is an integer number (5537375040).

Almost surely, 2^121771060242 is an apocalyptic number.

121771060242 is an abundant number, since it is smaller than the sum of its proper divisors (144022941678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121771060242 is a wasteful number, since it uses less digits than its factorization.

121771060242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945747 (or 945734 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 33.

The spelling of 121771060242 in words is "one hundred twenty-one billion, seven hundred seventy-one million, sixty thousand, two hundred forty-two".