11101023444 has 24 divisors (see below), whose sum is σ = 29602729408. Its totient is φ = 3171720960.

The previous prime is 11101023377. The next prime is 11101023463. The reversal of 11101023444 is 44432010111.

It is a super-2 number, since 2×11101023444² (a number of 21 digits) contains 22 as substring.

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 11101023444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66077437 + ... + 66077604.

Almost surely, 2^11101023444 is an apocalyptic number.

11101023444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11101023444 is an abundant number, since it is smaller than the sum of its proper divisors (18501705964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11101023444 is a wasteful number, since it uses less digits than its factorization.

11101023444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132155055 (or 132155053 counting only the distinct ones).

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

Adding to 11101023444 its reverse (44432010111), we get a palindrome (55533033555).

The spelling of 11101023444 in words is "eleven billion, one hundred one million, twenty-three thousand, four hundred forty-four".