11214421023 has 16 divisors (see below), whose sum is σ = 16107281120. Its totient is φ = 6899243904.

The previous prime is 11214421019. The next prime is 11214421051. The reversal of 11214421023 is 32012441211.

It is not a de Polignac number, because 11214421023 - 2² = 11214421019 is a prime.

It is a super-2 number, since 2×11214421023² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214421013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107073 + ... + 184101.

It is an arithmetic number, because the mean of its divisors is an integer number (1006705070).

Almost surely, 2^11214421023 is an apocalyptic number.

11214421023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11214421023 is a deficient number, since it is larger than the sum of its proper divisors (4892860097).

11214421023 is a wasteful number, since it uses less digits than its factorization.

11214421023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80778.

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

Adding to 11214421023 its reverse (32012441211), we get a palindrome (43226862234).

It can be divided in two parts, 112 and 14421023, that added together give a triangular number (14421135 = T₅₃₇₀).

The spelling of 11214421023 in words is "eleven billion, two hundred fourteen million, four hundred twenty-one thousand, twenty-three".