2222111022201 has 12 divisors (see below), whose sum is σ = 3668246766912. Its totient is φ = 1269777726936.

The previous prime is 2222111022191. The next prime is 2222111022221. The reversal of 2222111022201 is 1022201112222.

It is a happy number.

2222111022201 is a `hidden beast` number, since 222 + 211 + 10 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 2222111022201 - 2¹³ = 2222111014009 is a prime.

It is a super-2 number, since 2×2222111022201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2222111022221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17635801701 + ... + 17635801826.

It is an arithmetic number, because the mean of its divisors is an integer number (305687230576).

Almost surely, 2^{2222111022201} is an apocalyptic number.

2222111022201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2222111022201 is a deficient number, since it is larger than the sum of its proper divisors (1446135744711).

2222111022201 is a wasteful number, since it uses less digits than its factorization.

2222111022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271603540 (or 35271603537 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2222111022201 its reverse (1022201112222), we get a palindrome (3244312134423).

The spelling of 2222111022201 in words is "two trillion, two hundred twenty-two billion, one hundred eleven million, twenty-two thousand, two hundred one".