221101222022022 has 8 divisors (see below), whose sum is σ = 442202444044056. Its totient is φ = 73700407340672.

The previous prime is 221101222021961. The next prime is 221101222022069. The reversal of 221101222022022 is 220220222101122.

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

221101222022022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 221101222022022.

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, 18425101835163 + ... + 18425101835174.

It is an arithmetic number, because the mean of its divisors is an integer number (55275305505507).

Almost surely, 2^{221101222022022} is an apocalyptic number.

221101222022022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

221101222022022 is a wasteful number, since it uses less digits than its factorization.

221101222022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36850203670342.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221101222022022 its reverse (220220222101122), we get a palindrome (441321444123144).

The spelling of 221101222022022 in words is "two hundred twenty-one trillion, one hundred one billion, two hundred twenty-two million, twenty-two thousand, twenty-two".