2111021000023 has 8 divisors (see below), whose sum is σ = 2351800584000. Its totient is φ = 1881440466528.

The previous prime is 2111021000009. The next prime is 2111021000029. The reversal of 2111021000023 is 3200001201112.

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 2111021000023 - 2²¹ = 2111018902871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111020999967 and 2111021000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111021000029) 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, 2799762223 + ... + 2799762976.

It is an arithmetic number, because the mean of its divisors is an integer number (293975073000).

Almost surely, 2^{2111021000023} is an apocalyptic number.

2111021000023 is a deficient number, since it is larger than the sum of its proper divisors (240779583977).

2111021000023 is a wasteful number, since it uses less digits than its factorization.

2111021000023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599525241.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2111021000023 its reverse (3200001201112), we get a palindrome (5311022201135).

The spelling of 2111021000023 in words is "two trillion, one hundred eleven billion, twenty-one million, twenty-three", and thus it is an aban number.