11021011023 has 32 divisors (see below), whose sum is σ = 16446862080. Its totient is φ = 6507952640.

The previous prime is 11021011019. The next prime is 11021011103. The reversal of 11021011023 is 32011012011.

It is a cyclic number.

It is not a de Polignac number, because 11021011023 - 2² = 11021011019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021011523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 194965 + ... + 245057.

It is an arithmetic number, because the mean of its divisors is an integer number (513964440).

Almost surely, 2^11021011023 is an apocalyptic number.

11021011023 is a deficient number, since it is larger than the sum of its proper divisors (5425851057).

11021011023 is a wasteful number, since it uses less digits than its factorization.

11021011023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50279.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 11021011023 its reverse (32011012011), we get a palindrome (43032023034).

The spelling of 11021011023 in words is "eleven billion, twenty-one million, eleven thousand, twenty-three".