2111022023 has 6 divisors (see below), whose sum is σ = 2320379712. Its totient is φ = 1919110820.

The previous prime is 2111021993. The next prime is 2111022047. The reversal of 2111022023 is 3202201112.

It is a happy number.

It is not a de Polignac number, because 2111022023 - 2²² = 2106827719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111021989 and 2111022007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111022523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8723111 + ... + 8723352.

It is an arithmetic number, because the mean of its divisors is an integer number (386729952).

Almost surely, 2^2111022023 is an apocalyptic number.

2111022023 is a deficient number, since it is larger than the sum of its proper divisors (209357689).

2111022023 is a wasteful number, since it uses less digits than its factorization.

2111022023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17446485 (or 17446474 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2111022023 is about 45945.8596937744. The cubic root of 2111022023 is about 1282.8156651351.

Adding to 2111022023 its reverse (3202201112), we get a palindrome (5313223135).

Subtracting 2111022023 from its reverse (3202201112), we obtain a square (1091179089 = 33033²).

The spelling of 2111022023 in words is "two billion, one hundred eleven million, twenty-two thousand, twenty-three".