221000001001022 has 8 divisors (see below), whose sum is σ = 331753635783576. Its totient is φ = 110415455739832.

The previous prime is 221000001000983. The next prime is 221000001001049. The reversal of 221000001001022 is 220100100000122.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 221000001000994 and 221000001001012.

It is a congruent number.

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, 42272377073 + ... + 42272382300.

It is an arithmetic number, because the mean of its divisors is an integer number (41469204472947).

Almost surely, 2^{221000001001022} is an apocalyptic number.

221000001001022 is a deficient number, since it is larger than the sum of its proper divisors (110753634782554).

221000001001022 is a wasteful number, since it uses less digits than its factorization.

221000001001022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84544760682.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 221000001001022 its reverse (220100100000122), we get a palindrome (441100101001144).

The spelling of 221000001001022 in words is "two hundred twenty-one trillion, one million, one thousand, twenty-two".