11031020020123 has 2 divisors, whose sum is σ = 11031020020124. Its totient is φ = 11031020020122.

The previous prime is 11031020020109. The next prime is 11031020020169. The reversal of 11031020020123 is 32102002013011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11031020020123 - 2⁵ = 11031020020091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11031020020097 and 11031020020106.

It is not a weakly prime, because it can be changed into another prime (11031020020193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515510010061 + 5515510010062.

It is an arithmetic number, because the mean of its divisors is an integer number (5515510010062).

Almost surely, 2^{11031020020123} is an apocalyptic number.

11031020020123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031020020123 is an equidigital number, since it uses as much as digits as its factorization.

11031020020123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11031020020123 its reverse (32102002013011), we get a palindrome (43133022033134).

The spelling of 11031020020123 in words is "eleven trillion, thirty-one billion, twenty million, twenty thousand, one hundred twenty-three".