2113211023111 has 8 divisors (see below), whose sum is σ = 2194406905824. Its totient is φ = 2033427242880.

The previous prime is 2113211023103. The next prime is 2113211023153. The reversal of 2113211023111 is 1113201123112.

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 2113211023111 - 2³ = 2113211023103 is a prime.

It is a super-2 number, since 2×2113211023111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113211023171) 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, 353022571 + ... + 353028556.

It is an arithmetic number, because the mean of its divisors is an integer number (274300863228).

Almost surely, 2^{2113211023111} is an apocalyptic number.

2113211023111 is a deficient number, since it is larger than the sum of its proper divisors (81195882713).

2113211023111 is an equidigital number, since it uses as much as digits as its factorization.

2113211023111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706051241.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 2113211023111 its reverse (1113201123112), we get a palindrome (3226412146223).

The spelling of 2113211023111 in words is "two trillion, one hundred thirteen billion, two hundred eleven million, twenty-three thousand, one hundred eleven".