211020111022023 has 12 divisors (see below), whose sum is σ = 304807048186680. Its totient is φ = 140679971943216.

The previous prime is 211020111021899. The next prime is 211020111022057. The reversal of 211020111022023 is 320220111020112.

211020111022023 is a `hidden beast` number, since 2 + 110 + 201 + 110 + 220 + 23 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-211020111022023 is a prime.

It is a super-3 number, since 3×211020111022023³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211020111021987 and 211020111022005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020111022073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5865388 + ... + 21364526.

It is an arithmetic number, because the mean of its divisors is an integer number (25400587348890).

Almost surely, 2^{211020111022023} is an apocalyptic number.

211020111022023 is a deficient number, since it is larger than the sum of its proper divisors (93786937164657).

211020111022023 is a wasteful number, since it uses less digits than its factorization.

211020111022023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17011918 (or 17011915 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 211020111022023 its reverse (320220111020112), we get a palindrome (531240222042135).

The spelling of 211020111022023 in words is "two hundred eleven trillion, twenty billion, one hundred eleven million, twenty-two thousand, twenty-three".