22012101144 has 48 divisors (see below), whose sum is σ = 65035755720. Its totient is φ = 6670333440.

The previous prime is 22012101077. The next prime is 22012101157. The reversal of 22012101144 is 44110121022.

It is a super-2 number, since 2×22012101144² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13895737 + ... + 13897320.

Almost surely, 2^22012101144 is an apocalyptic number.

22012101144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22012101144 is an abundant number, since it is smaller than the sum of its proper divisors (43023654576).

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

22012101144 is a wasteful number, since it uses less digits than its factorization.

22012101144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27793080 (or 27793073 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22012101144 its reverse (44110121022), we get a palindrome (66122222166).

The spelling of 22012101144 in words is "twenty-two billion, twelve million, one hundred one thousand, one hundred forty-four".