2111452236117 has 20 divisors (see below), whose sum is σ = 3604736799136. Its totient is φ = 1206544134600.

The previous prime is 2111452236109. The next prime is 2111452236133. The reversal of 2111452236117 is 7116322541112.

2111452236117 is a `hidden beast` number, since 2 + 1 + 1 + 14 + 5 + 2 + 23 + 611 + 7 = 666.

It is not a de Polignac number, because 2111452236117 - 2³ = 2111452236109 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 (2111452234117) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1861950259 + ... + 1861951392.

Almost surely, 2^{2111452236117} is an apocalyptic number.

2111452236117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2111452236117 is a deficient number, since it is larger than the sum of its proper divisors (1493284563019).

2111452236117 is an equidigital number, since it uses as much as digits as its factorization.

2111452236117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723901670 (or 3723901661 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

Adding to 2111452236117 its reverse (7116322541112), we get a palindrome (9227774777229).

The spelling of 2111452236117 in words is "two trillion, one hundred eleven billion, four hundred fifty-two million, two hundred thirty-six thousand, one hundred seventeen".