2111020220311 has 2 divisors, whose sum is σ = 2111020220312. Its totient is φ = 2111020220310.

The previous prime is 2111020220303. The next prime is 2111020220317. The reversal of 2111020220311 is 1130220201112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111020220311 - 2³ = 2111020220303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111020220317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055510110155 + 1055510110156.

It is an arithmetic number, because the mean of its divisors is an integer number (1055510110156).

Almost surely, 2^{2111020220311} is an apocalyptic number.

2111020220311 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111020220311 is an equidigital number, since it uses as much as digits as its factorization.

2111020220311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2111020220311 its reverse (1130220201112), we get a palindrome (3241240421423).

The spelling of 2111020220311 in words is "two trillion, one hundred eleven billion, twenty million, two hundred twenty thousand, three hundred eleven".