22011540123304 has 8 divisors (see below), whose sum is σ = 41271637731210. Its totient is φ = 11005770061648.

The previous prime is 22011540123299. The next prime is 22011540123341. The reversal of 22011540123304 is 40332104511022.

It can be written as a sum of positive squares in only one way, i.e., 19105203902500 + 2906336220804 = 4370950^2 + 1704798^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375721257699 + ... + 1375721257714.

Almost surely, 2^{22011540123304} is an apocalyptic number.

It is an amenable number.

22011540123304 is a deficient number, since it is larger than the sum of its proper divisors (19260097607906).

22011540123304 is a wasteful number, since it uses less digits than its factorization.

22011540123304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2751442515419 (or 2751442515415 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 22011540123304 its reverse (40332104511022), we get a palindrome (62343644634326).

The spelling of 22011540123304 in words is "twenty-two trillion, eleven billion, five hundred forty million, one hundred twenty-three thousand, three hundred four".