2111020020311 has 8 divisors (see below), whose sum is σ = 2137926112320. Its totient is φ = 2084118536448.

The previous prime is 2111020020281. The next prime is 2111020020371. The reversal of 2111020020311 is 1130200201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111020020311 - 2³⁴ = 2093840151127 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 (2111020020371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225266 + ... + 2067071.

It is an arithmetic number, because the mean of its divisors is an integer number (267240764040).

Almost surely, 2^{2111020020311} is an apocalyptic number.

2111020020311 is a deficient number, since it is larger than the sum of its proper divisors (26906092009).

2111020020311 is a wasteful number, since it uses less digits than its factorization.

2111020020311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304073.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2111020020311 its reverse (1130200201112), we get a palindrome (3241220221423).

The spelling of 2111020020311 in words is "two trillion, one hundred eleven billion, twenty million, twenty thousand, three hundred eleven".