11020303031223 has 4 divisors (see below), whose sum is σ = 14693737374968. Its totient is φ = 7346868687480.

The previous prime is 11020303031203. The next prime is 11020303031249. The reversal of 11020303031223 is 32213030302011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11020303031223 - 2⁶ = 11020303031159 is a prime.

It is a super-2 number, since 2×11020303031223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11020303031223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020303031203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1836717171868 + ... + 1836717171873.

It is an arithmetic number, because the mean of its divisors is an integer number (3673434343742).

Almost surely, 2^{11020303031223} is an apocalyptic number.

11020303031223 is a deficient number, since it is larger than the sum of its proper divisors (3673434343745).

11020303031223 is an equidigital number, since it uses as much as digits as its factorization.

11020303031223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3673434343744.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11020303031223 its reverse (32213030302011), we get a palindrome (43233333333234).

The spelling of 11020303031223 in words is "eleven trillion, twenty billion, three hundred three million, thirty-one thousand, two hundred twenty-three".