22001021031330 has 128 divisors (see below), whose sum is σ = 64491543705600. Its totient is φ = 5292866404800.

The previous prime is 22001021031167. The next prime is 22001021031389. The reversal of 22001021031330 is 3313012010022.

22001021031330 is a `hidden beast` number, since 2 + 200 + 102 + 1 + 0 + 31 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27884790 + ... + 28662929.

It is an arithmetic number, because the mean of its divisors is an integer number (503840185200).

Almost surely, 2^{22001021031330} is an apocalyptic number.

22001021031330 is an abundant number, since it is smaller than the sum of its proper divisors (42490522674270).

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

22001021031330 is a wasteful number, since it uses less digits than its factorization.

22001021031330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56547877 (or 56547871 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22001021031330 its reverse (3313012010022), we get a palindrome (25314033041352).

The spelling of 22001021031330 in words is "twenty-two trillion, one billion, twenty-one million, thirty-one thousand, three hundred thirty".