2123001132011 has 4 divisors (see below), whose sum is σ = 2124130990800. Its totient is φ = 2121871273224.

The previous prime is 2123001131987. The next prime is 2123001132019. The reversal of 2123001132011 is 1102311003212.

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 2123001132011 - 2³⁴ = 2105821262827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2123001132019) 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, 564926576 + ... + 564930333.

It is an arithmetic number, because the mean of its divisors is an integer number (531032747700).

Almost surely, 2^{2123001132011} is an apocalyptic number.

2123001132011 is a deficient number, since it is larger than the sum of its proper divisors (1129858789).

2123001132011 is a wasteful number, since it uses less digits than its factorization.

2123001132011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129858788.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2123001132011 its reverse (1102311003212), we get a palindrome (3225312135223).

The spelling of 2123001132011 in words is "two trillion, one hundred twenty-three billion, one million, one hundred thirty-two thousand, eleven".