2111310230101 has 4 divisors (see below), whose sum is σ = 2111317935552. Its totient is φ = 2111302524652.

The previous prime is 2111310230093. The next prime is 2111310230143. The reversal of 2111310230101 is 1010320131112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111310230101 - 2³ = 2111310230093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111310630101) 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, 3425965 + ... + 3994978.

It is an arithmetic number, because the mean of its divisors is an integer number (527829483888).

Almost surely, 2^{2111310230101} is an apocalyptic number.

It is an amenable number.

2111310230101 is a deficient number, since it is larger than the sum of its proper divisors (7705451).

2111310230101 is an equidigital number, since it uses as much as digits as its factorization.

2111310230101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7705450.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2111310230101 its reverse (1010320131112), we get a palindrome (3121630361213).

The spelling of 2111310230101 in words is "two trillion, one hundred eleven billion, three hundred ten million, two hundred thirty thousand, one hundred one".