22210221111 has 8 divisors (see below), whose sum is σ = 31891599600. Its totient is φ = 13667828352.

The previous prime is 22210221091. The next prime is 22210221127. The reversal of 22210221111 is 11112201222.

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

It is not a de Polignac number, because 22210221111 - 2⁷ = 22210220983 is a prime.

It is a super-4 number, since 4×22210221111⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22210221511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284746386 + ... + 284746463.

It is an arithmetic number, because the mean of its divisors is an integer number (3986449950).

Almost surely, 2^22210221111 is an apocalyptic number.

22210221111 is a deficient number, since it is larger than the sum of its proper divisors (9681378489).

22210221111 is a wasteful number, since it uses less digits than its factorization.

22210221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569492865.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22210221111 its reverse (11112201222), we get a palindrome (33322422333).

The spelling of 22210221111 in words is "twenty-two billion, two hundred ten million, two hundred twenty-one thousand, one hundred eleven".