120022180116581 has 16 divisors (see below), whose sum is σ = 125371248662400. Its totient is φ = 114753891526848.

The previous prime is 120022180116571. The next prime is 120022180116653. The reversal of 120022180116581 is 185611081220021.

It is a cyclic number.

It is not a de Polignac number, because 120022180116581 - 2¹⁰ = 120022180115557 is a prime.

It is a super-2 number, since 2×120022180116581² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022180116521) 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, 76488035 + ... + 78041423.

It is an arithmetic number, because the mean of its divisors is an integer number (7835703041400).

Almost surely, 2^{120022180116581} is an apocalyptic number.

It is an amenable number.

120022180116581 is a deficient number, since it is larger than the sum of its proper divisors (5349068545819).

120022180116581 is a wasteful number, since it uses less digits than its factorization.

120022180116581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579388.

The product of its (nonzero) digits is 15360, while the sum is 38.

The spelling of 120022180116581 in words is "one hundred twenty trillion, twenty-two billion, one hundred eighty million, one hundred sixteen thousand, five hundred eighty-one".