2102211100023 has 4 divisors (see below), whose sum is σ = 2802948133368. Its totient is φ = 1401474066680.

The previous prime is 2102211099979. The next prime is 2102211100043. The reversal of 2102211100023 is 3200011122012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2102211100023 - 2¹⁴ = 2102211083639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102211099975 and 2102211100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102211100043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350368516668 + ... + 350368516673.

It is an arithmetic number, because the mean of its divisors is an integer number (700737033342).

Almost surely, 2^{2102211100023} is an apocalyptic number.

2102211100023 is a deficient number, since it is larger than the sum of its proper divisors (700737033345).

2102211100023 is an equidigital number, since it uses as much as digits as its factorization.

2102211100023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700737033344.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 2102211100023 its reverse (3200011122012), we get a palindrome (5302222222035).

The spelling of 2102211100023 in words is "two trillion, one hundred two billion, two hundred eleven million, one hundred thousand, twenty-three".