1010221123320 has 160 divisors (see below), whose sum is σ = 3595198899600. Its totient is φ = 253545679872.

The previous prime is 1010221123319. The next prime is 1010221123357. The reversal of 1010221123320 is 233211220101.

1010221123320 is a `hidden beast` number, since 1 + 0 + 1 + 0 + 221 + 123 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 1010221123293 and 1010221123302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9115410 + ... + 9225569.

Almost surely, 2^{1010221123320} is an apocalyptic number.

1010221123320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010221123320 is an abundant number, since it is smaller than the sum of its proper divisors (2584977776280).

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

1010221123320 is a wasteful number, since it uses less digits than its factorization.

1010221123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341019 (or 18341006 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1010221123320 its reverse (233211220101), we get a palindrome (1243432343421).

The spelling of 1010221123320 in words is "one trillion, ten billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred twenty".