116213552021 has 8 divisors (see below), whose sum is σ = 132907286400. Its totient is φ = 99542767248.

The previous prime is 116213551943. The next prime is 116213552023. The reversal of 116213552021 is 120255312611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116213552021 - 2²² = 116209357717 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 (116213552023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5726546 + ... + 5746803.

It is an arithmetic number, because the mean of its divisors is an integer number (16613410800).

Almost surely, 2^116213552021 is an apocalyptic number.

It is an amenable number.

116213552021 is a deficient number, since it is larger than the sum of its proper divisors (16693734379).

116213552021 is a wasteful number, since it uses less digits than its factorization.

116213552021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11474803.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 116213552021 its reverse (120255312611), we get a palindrome (236468864632).

The spelling of 116213552021 in words is "one hundred sixteen billion, two hundred thirteen million, five hundred fifty-two thousand, twenty-one".