2221222100101 has 8 divisors (see below), whose sum is σ = 2272511447424. Its totient is φ = 2170100640480.

The previous prime is 2221222100057. The next prime is 2221222100117. The reversal of 2221222100101 is 1010012221222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2221222100101 - 2²⁷ = 2221087882373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222100131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41945160 + ... + 41998081.

It is an arithmetic number, because the mean of its divisors is an integer number (284063930928).

Almost surely, 2^{2221222100101} is an apocalyptic number.

It is an amenable number.

2221222100101 is a deficient number, since it is larger than the sum of its proper divisors (51289347323).

2221222100101 is an equidigital number, since it uses as much as digits as its factorization.

2221222100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83943851.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2221222100101 its reverse (1010012221222), we get a palindrome (3231234321323).

The spelling of 2221222100101 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred thousand, one hundred one".