115342422021 has 24 divisors (see below), whose sum is σ = 172012206080. Its totient is φ = 74400573600.

The previous prime is 115342422017. The next prime is 115342422031. The reversal of 115342422021 is 120224243511.

115342422021 is a `hidden beast` number, since 1 + 15 + 3 + 424 + 220 + 2 + 1 = 666.

It is not a de Polignac number, because 115342422021 - 2² = 115342422017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115342422011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1579995 + ... + 1651383.

Almost surely, 2^115342422021 is an apocalyptic number.

It is an amenable number.

115342422021 is a deficient number, since it is larger than the sum of its proper divisors (56669784059).

115342422021 is a wasteful number, since it uses less digits than its factorization.

115342422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77217 (or 77214 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 115342422021 its reverse (120224243511), we get a palindrome (235566665532).

The spelling of 115342422021 in words is "one hundred fifteen billion, three hundred forty-two million, four hundred twenty-two thousand, twenty-one".