20220101311 has 4 divisors (see below), whose sum is σ = 20220548832. Its totient is φ = 20219653792.

The previous prime is 20220101303. The next prime is 20220101329. The reversal of 20220101311 is 11310102202.

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 20220101311 - 2³ = 20220101303 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220101291 and 20220101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220101371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147271 + ... + 249256.

It is an arithmetic number, because the mean of its divisors is an integer number (5055137208).

Almost surely, 2^20220101311 is an apocalyptic number.

20220101311 is a deficient number, since it is larger than the sum of its proper divisors (447521).

20220101311 is an equidigital number, since it uses as much as digits as its factorization.

20220101311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447520.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 20220101311 its reverse (11310102202), we get a palindrome (31530203513).

The spelling of 20220101311 in words is "twenty billion, two hundred twenty million, one hundred one thousand, three hundred eleven".