22212000021111 has 16 divisors (see below), whose sum is σ = 30137040585600. Its totient is φ = 14547797643168.

The previous prime is 22212000020963. The next prime is 22212000021151. The reversal of 22212000021111 is 11112000021222.

It is not a de Polignac number, because 22212000021111 - 2⁹ = 22212000020599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212000021151) 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, 39458176 + ... + 40017141.

It is an arithmetic number, because the mean of its divisors is an integer number (1883565036600).

Almost surely, 2^{22212000021111} is an apocalyptic number.

22212000021111 is a deficient number, since it is larger than the sum of its proper divisors (7925040564489).

22212000021111 is a wasteful number, since it uses less digits than its factorization.

22212000021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79476958.

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

Adding to 22212000021111 its reverse (11112000021222), we get a palindrome (33324000042333).

The spelling of 22212000021111 in words is "twenty-two trillion, two hundred twelve billion, twenty-one thousand, one hundred eleven".