22111203455 has 16 divisors (see below), whose sum is σ = 29012455584. Its totient is φ = 16043719680.

The previous prime is 22111203451. The next prime is 22111203467. The reversal of 22111203455 is 55430211122.

It is not a de Polignac number, because 22111203455 - 2² = 22111203451 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111203451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440414 + ... + 488043.

It is an arithmetic number, because the mean of its divisors is an integer number (1813278474).

Almost surely, 2^22111203455 is an apocalyptic number.

22111203455 is a deficient number, since it is larger than the sum of its proper divisors (6901252129).

22111203455 is a wasteful number, since it uses less digits than its factorization.

22111203455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928906.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 22111203455 its reverse (55430211122), we get a palindrome (77541414577).

The spelling of 22111203455 in words is "twenty-two billion, one hundred eleven million, two hundred three thousand, four hundred fifty-five".