2221223021010 has 384 divisors, whose sum is σ = 6998973696000. Its totient is φ = 477440925696.

The previous prime is 2221223021009. The next prime is 2221223021021. The reversal of 2221223021010 is 101203221222.

2221223021010 is a `hidden beast` number, since 2 + 2 + 212 + 230 + 210 + 10 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1522427661 + ... + 1522429119.

It is an arithmetic number, because the mean of its divisors is an integer number (18226494000).

Almost surely, 2^{2221223021010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221223021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3499486848000).

2221223021010 is an abundant number, since it is smaller than the sum of its proper divisors (4777750674990).

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

2221223021010 is a wasteful number, since it uses less digits than its factorization.

2221223021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350 (or 2347 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 2221223021010 its reverse (101203221222), we get a palindrome (2322426242232).

The spelling of 2221223021010 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-three million, twenty-one thousand, ten".