22111021220330 has 32 divisors (see below), whose sum is σ = 47463161082624. Its totient is φ = 7251316275456.

The previous prime is 22111021220317. The next prime is 22111021220341. The reversal of 22111021220330 is 3302212011122.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6866775167 + ... + 6866778386.

It is an arithmetic number, because the mean of its divisors is an integer number (1483223783832).

Almost surely, 2^{22111021220330} is an apocalyptic number.

22111021220330 is an abundant number, since it is smaller than the sum of its proper divisors (25352139862294).

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

22111021220330 is a wasteful number, since it uses less digits than its factorization.

22111021220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13733553590.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 22111021220330 its reverse (3302212011122), we get a palindrome (25413233231452).

The spelling of 22111021220330 in words is "twenty-two trillion, one hundred eleven billion, twenty-one million, two hundred twenty thousand, three hundred thirty".