2221100001121 has 8 divisors (see below), whose sum is σ = 2338122964320. Its totient is φ = 2104089334272.

The previous prime is 2221100001059. The next prime is 2221100001137. The reversal of 2221100001121 is 1211000011222.

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 2221100001121 - 2⁷ = 2221100000993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221100001521) 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 7 ways as a sum of consecutive naturals, for example, 2702155 + ... + 3426928.

It is an arithmetic number, because the mean of its divisors is an integer number (292265370540).

Almost surely, 2^{2221100001121} is an apocalyptic number.

It is an amenable number.

2221100001121 is a deficient number, since it is larger than the sum of its proper divisors (117022963199).

2221100001121 is a wasteful number, since it uses less digits than its factorization.

2221100001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6148175.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2221100001121 its reverse (1211000011222), we get a palindrome (3432100012343).

The spelling of 2221100001121 in words is "two trillion, two hundred twenty-one billion, one hundred million, one thousand, one hundred twenty-one".