221001221011022 has 8 divisors (see below), whose sum is σ = 331512910842672. Its totient is φ = 110496917396800.

The previous prime is 221001221010989. The next prime is 221001221011091. The reversal of 221001221011022 is 220110122100122.

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

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, 1846479554 + ... + 1846599237.

It is an arithmetic number, because the mean of its divisors is an integer number (41439113855334).

Almost surely, 2^{221001221011022} is an apocalyptic number.

221001221011022 is a deficient number, since it is larger than the sum of its proper divisors (110511689831650).

221001221011022 is a wasteful number, since it uses less digits than its factorization.

221001221011022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3693108714.

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

Adding to 221001221011022 its reverse (220110122100122), we get a palindrome (441111343111144).

The spelling of 221001221011022 in words is "two hundred twenty-one trillion, one billion, two hundred twenty-one million, eleven thousand, twenty-two".