221122022012022 has 8 divisors (see below), whose sum is σ = 442244044024056. Its totient is φ = 73707340670672.

The previous prime is 221122022011999. The next prime is 221122022012029. The reversal of 221122022012022 is 220210220221122.

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

221122022012022 is an admirable number.

It is a super-2 number, since 2×221122022012022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221122022012022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221122022012029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18426835167663 + ... + 18426835167674.

It is an arithmetic number, because the mean of its divisors is an integer number (55280505503007).

Almost surely, 2^{221122022012022} is an apocalyptic number.

221122022012022 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.

221122022012022 is a wasteful number, since it uses less digits than its factorization.

221122022012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36853670335342.

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

Adding to 221122022012022 its reverse (220210220221122), we get a palindrome (441332242233144).

The spelling of 221122022012022 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, twenty-two".