2211222202101 has 24 divisors (see below), whose sum is σ = 3485134358784. Its totient is φ = 1339833044160.

The previous prime is 2211222202087. The next prime is 2211222202171. The reversal of 2211222202101 is 1012022221122.

It is a happy number.

2211222202101 is a `hidden beast` number, since 2 + 211 + 22 + 220 + 210 + 1 = 666.

2211222202101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2211222202101 - 2⁶ = 2211222202037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211222202171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2071056 + ... + 2951561.

It is an arithmetic number, because the mean of its divisors is an integer number (145213931616).

Almost surely, 2^{2211222202101} is an apocalyptic number.

It is an amenable number.

2211222202101 is a deficient number, since it is larger than the sum of its proper divisors (1273912156683).

2211222202101 is a wasteful number, since it uses less digits than its factorization.

2211222202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027081 (or 5027078 counting only the distinct ones).

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

Adding to 2211222202101 its reverse (1012022221122), we get a palindrome (3223244423223).

The spelling of 2211222202101 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, two hundred two thousand, one hundred one".