2101020311223 has 12 divisors (see below), whose sum is σ = 3036155349448. Its totient is φ = 1400057946000.

The previous prime is 2101020311197. The next prime is 2101020311231. The reversal of 2101020311223 is 3221130201012.

It is not a de Polignac number, because 2101020311223 - 2⁸ = 2101020310967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101020311196 and 2101020311205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101020311293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51833740 + ... + 51874257.

Almost surely, 2^{2101020311223} is an apocalyptic number.

2101020311223 is a deficient number, since it is larger than the sum of its proper divisors (935135038225).

2101020311223 is a wasteful number, since it uses less digits than its factorization.

2101020311223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103710254 (or 103710251 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 2101020311223 its reverse (3221130201012), we get a palindrome (5322150512235).

The spelling of 2101020311223 in words is "two trillion, one hundred one billion, twenty million, three hundred eleven thousand, two hundred twenty-three".