11022201222123 has 32 divisors (see below), whose sum is σ = 18671189512192. Its totient is φ = 5626362902400.

The previous prime is 11022201222113. The next prime is 11022201222157. The reversal of 11022201222123 is 32122210222011.

It is not a de Polignac number, because 11022201222123 - 2¹³ = 11022201213931 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11022201222123.

It is not an unprimeable number, because it can be changed into a prime (11022201222113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651190948 + ... + 651207873.

It is an arithmetic number, because the mean of its divisors is an integer number (583474672256).

Almost surely, 2^{11022201222123} is an apocalyptic number.

11022201222123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11022201222123 is a deficient number, since it is larger than the sum of its proper divisors (7648988290069).

11022201222123 is a wasteful number, since it uses less digits than its factorization.

11022201222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302398875.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11022201222123 its reverse (32122210222011), we get a palindrome (43144411444134).

The spelling of 11022201222123 in words is "eleven trillion, twenty-two billion, two hundred one million, two hundred twenty-two thousand, one hundred twenty-three".