221122010221002 has 48 divisors (see below), whose sum is σ = 522680488791552. Its totient is φ = 67003020452160.

The previous prime is 221122010221001. The next prime is 221122010221037. The reversal of 221122010221002 is 200122010221122.

It is a happy number.

221122010221002 is a `hidden beast` number, since 2 + 211 + 220 + 10 + 221 + 0 + 0 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (221122010221001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26765083 + ... + 34038414.

It is an arithmetic number, because the mean of its divisors is an integer number (10889176849824).

Almost surely, 2^{221122010221002} is an apocalyptic number.

221122010221002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221122010221002 is an abundant number, since it is smaller than the sum of its proper divisors (301558478570550).

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

221122010221002 is a wasteful number, since it uses less digits than its factorization.

221122010221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60821883 (or 60821880 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221122010221002 its reverse (200122010221122), we get a palindrome (421244020442124).

The spelling of 221122010221002 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, ten million, two hundred twenty-one thousand, two".