11020772123 has 2 divisors, whose sum is σ = 11020772124. Its totient is φ = 11020772122.

The previous prime is 11020772107. The next prime is 11020772131. The reversal of 11020772123 is 32127702011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11020772123 - 2⁴ = 11020772107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020772092 and 11020772101.

It is not a weakly prime, because it can be changed into another prime (11020772923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510386061 + 5510386062.

It is an arithmetic number, because the mean of its divisors is an integer number (5510386062).

Almost surely, 2^11020772123 is an apocalyptic number.

11020772123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020772123 is an equidigital number, since it uses as much as digits as its factorization.

11020772123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The spelling of 11020772123 in words is "eleven billion, twenty million, seven hundred seventy-two thousand, one hundred twenty-three".