2120022110123 has 4 divisors (see below), whose sum is σ = 2120034434640. Its totient is φ = 2120009785608.

The previous prime is 2120022110113. The next prime is 2120022110131. The reversal of 2120022110123 is 3210112200212.

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 2120022110123 - 2¹⁶ = 2120022044587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120022110113) 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, 5900528 + ... + 6249501.

It is an arithmetic number, because the mean of its divisors is an integer number (530008608660).

Almost surely, 2^{2120022110123} is an apocalyptic number.

2120022110123 is a deficient number, since it is larger than the sum of its proper divisors (12324517).

2120022110123 is a wasteful number, since it uses less digits than its factorization.

2120022110123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12324516.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2120022110123 its reverse (3210112200212), we get a palindrome (5330134310335).

The spelling of 2120022110123 in words is "two trillion, one hundred twenty billion, twenty-two million, one hundred ten thousand, one hundred twenty-three".