22111332020240 has 40 divisors (see below), whose sum is σ = 51409172810688. Its totient is φ = 8844476745600.

The previous prime is 22111332020119. The next prime is 22111332020249. The reversal of 22111332020240 is 4202023311122.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22111332020240² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111332020249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13235915 + ... + 14812565.

Almost surely, 2^{22111332020240} is an apocalyptic number.

22111332020240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22111332020240 is an abundant number, since it is smaller than the sum of its proper divisors (29297840790448).

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

22111332020240 is a wasteful number, since it uses less digits than its factorization.

22111332020240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751967 (or 1751961 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22111332020240 its reverse (4202023311122), we get a palindrome (26313355331362).

The spelling of 22111332020240 in words is "twenty-two trillion, one hundred eleven billion, three hundred thirty-two million, twenty thousand, two hundred forty".