221002101021122 has 8 divisors (see below), whose sum is σ = 331512127926672. Its totient is φ = 110498058378900.

The previous prime is 221002101021077. The next prime is 221002101021131. The reversal of 221002101021122 is 221120101200122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×221002101021122⁴ (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221002101021122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1495973504 + ... + 1496121227.

It is an arithmetic number, because the mean of its divisors is an integer number (41439015990834).

Almost surely, 2^{221002101021122} is an apocalyptic number.

221002101021122 is a deficient number, since it is larger than the sum of its proper divisors (110510026905550).

221002101021122 is a wasteful number, since it uses less digits than its factorization.

221002101021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992131664.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 221002101021122 its reverse (221120101200122), we get a palindrome (442122202221244).

The spelling of 221002101021122 in words is "two hundred twenty-one trillion, two billion, one hundred one million, twenty-one thousand, one hundred twenty-two".