11012221100023 has 32 divisors (see below), whose sum is σ = 13055589292032. Its totient is φ = 9156674419200.

The previous prime is 11012221100011. The next prime is 11012221100051. The reversal of 11012221100023 is 32000112221011.

It is not a de Polignac number, because 11012221100023 - 2⁵ = 11012221099991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012221100053) 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, 58579486 + ... + 58767172.

It is an arithmetic number, because the mean of its divisors is an integer number (407987165376).

Almost surely, 2^{11012221100023} is an apocalyptic number.

11012221100023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11012221100023 is a deficient number, since it is larger than the sum of its proper divisors (2043368192009).

11012221100023 is a wasteful number, since it uses less digits than its factorization.

11012221100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191455.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11012221100023 its reverse (32000112221011), we get a palindrome (43012333321034).

The spelling of 11012221100023 in words is "eleven trillion, twelve billion, two hundred twenty-one million, one hundred thousand, twenty-three".