222122001201111 has 36 divisors (see below), whose sum is σ = 353644366355280. Its totient is φ = 134244410044800.

The previous prime is 222122001201091. The next prime is 222122001201131. The reversal of 222122001201111 is 111102100221222.

222122001201111 is a `hidden beast` number, since 22 + 212 + 200 + 120 + 1 + 111 = 666.

It is an interprime number because it is at equal distance from previous prime (222122001201091) and next prime (222122001201131).

It is not a de Polignac number, because 222122001201111 - 2⁹ = 222122001200599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222122001201131) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 283688130 + ... + 284470031.

It is an arithmetic number, because the mean of its divisors is an integer number (9823454620980).

Almost surely, 2^{222122001201111} is an apocalyptic number.

222122001201111 is a deficient number, since it is larger than the sum of its proper divisors (131522365154169).

222122001201111 is a wasteful number, since it uses less digits than its factorization.

222122001201111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568158548 (or 568158534 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222122001201111 its reverse (111102100221222), we get a palindrome (333224101422333).

The spelling of 222122001201111 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one million, two hundred one thousand, one hundred eleven".