221011302120222 has 32 divisors (see below), whose sum is σ = 442238773646592. Its totient is φ = 73634414563584.

The previous prime is 221011302120211. The next prime is 221011302120229. The reversal of 221011302120222 is 222021203110122.

It is a super-3 number, since 3×221011302120222³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221011302120229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100234158 + ... + 102415374.

It is an arithmetic number, because the mean of its divisors is an integer number (13819961676456).

Almost surely, 2^{221011302120222} is an apocalyptic number.

221011302120222 is an abundant number, since it is smaller than the sum of its proper divisors (221227471526370).

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

221011302120222 is a wasteful number, since it uses less digits than its factorization.

221011302120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2189472.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 221011302120222 its reverse (222021203110122), we get a palindrome (443032505230344).

The spelling of 221011302120222 in words is "two hundred twenty-one trillion, eleven billion, three hundred two million, one hundred twenty thousand, two hundred twenty-two".