20102023111 has 2 divisors, whose sum is σ = 20102023112. Its totient is φ = 20102023110.

The previous prime is 20102023091. The next prime is 20102023147. The reversal of 20102023111 is 11132020102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20102023111 - 2¹¹ = 20102021063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20102023091 and 20102023100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20102021111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051011555 + 10051011556.

It is an arithmetic number, because the mean of its divisors is an integer number (10051011556).

Almost surely, 2^20102023111 is an apocalyptic number.

20102023111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102023111 is an equidigital number, since it uses as much as digits as its factorization.

20102023111 is an evil number, because the sum of its binary digits is even.

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

Adding to 20102023111 its reverse (11132020102), we get a palindrome (31234043213).

The spelling of 20102023111 in words is "twenty billion, one hundred two million, twenty-three thousand, one hundred eleven".