22111031101312 has 32 divisors (see below), whose sum is σ = 44344952829000. Its totient is φ = 10981317450240.

The previous prime is 22111031101307. The next prime is 22111031101331. The reversal of 22111031101312 is 21310113011122.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 22111031101312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 579653514 + ... + 579691657.

Almost surely, 2^{22111031101312} is an apocalyptic number.

It is an amenable number.

22111031101312 is an abundant number, since it is smaller than the sum of its proper divisors (22233921727688).

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

22111031101312 is a wasteful number, since it uses less digits than its factorization.

22111031101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159345334 (or 1159345322 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 22111031101312 its reverse (21310113011122), we get a palindrome (43421144112434).

The spelling of 22111031101312 in words is "twenty-two trillion, one hundred eleven billion, thirty-one million, one hundred one thousand, three hundred twelve".