111023065345621 has 32 divisors (see below), whose sum is σ = 131702975389440. Its totient is φ = 92258917747200.

The previous prime is 111023065345601. The next prime is 111023065345691. The reversal of 111023065345621 is 126543560320111.

It is a cyclic number.

It is not a de Polignac number, because 111023065345621 - 2³⁵ = 110988705607253 is a prime.

It is a super-2 number, since 2×111023065345621² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111023065345601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599510281 + ... + 599695441.

It is an arithmetic number, because the mean of its divisors is an integer number (4115717980920).

Almost surely, 2^{111023065345621} is an apocalyptic number.

111023065345621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111023065345621 is a deficient number, since it is larger than the sum of its proper divisors (20679910043819).

111023065345621 is a wasteful number, since it uses less digits than its factorization.

111023065345621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225997.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 111023065345621 in words is "one hundred eleven trillion, twenty-three billion, sixty-five million, three hundred forty-five thousand, six hundred twenty-one".