1111020211023 has 8 divisors (see below), whose sum is σ = 1509310475568. Its totient is φ = 726705043584.

The previous prime is 1111020211013. The next prime is 1111020211033. The reversal of 1111020211023 is 3201120201111.

It is an interprime number because it is at equal distance from previous prime (1111020211013) and next prime (1111020211033).

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

It is not a de Polignac number, because 1111020211023 - 2¹⁸ = 1111019948879 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111020210993 and 1111020211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020211013) 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, 3493774090 + ... + 3493774407.

It is an arithmetic number, because the mean of its divisors is an integer number (188663809446).

Almost surely, 2^{1111020211023} is an apocalyptic number.

1111020211023 is a deficient number, since it is larger than the sum of its proper divisors (398290264545).

1111020211023 is an equidigital number, since it uses as much as digits as its factorization.

1111020211023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6987548553.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1111020211023 its reverse (3201120201111), we get a palindrome (4312140412134).

The spelling of 1111020211023 in words is "one trillion, one hundred eleven billion, twenty million, two hundred eleven thousand, twenty-three".