221100101121003 has 16 divisors (see below), whose sum is σ = 323467201643040. Its totient is φ = 133494400675584.

The previous prime is 221100101120957. The next prime is 221100101121007. The reversal of 221100101121003 is 300121101001122.

It is not a de Polignac number, because 221100101121003 - 2⁶ = 221100101120939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221100101121007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53483331538 + ... + 53483335671.

It is an arithmetic number, because the mean of its divisors is an integer number (20216700102690).

Almost surely, 2^{221100101121003} is an apocalyptic number.

221100101121003 is a deficient number, since it is larger than the sum of its proper divisors (102367100522037).

221100101121003 is a wasteful number, since it uses less digits than its factorization.

221100101121003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106966667278.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 221100101121003 its reverse (300121101001122), we get a palindrome (521221202122125).

The spelling of 221100101121003 in words is "two hundred twenty-one trillion, one hundred billion, one hundred one million, one hundred twenty-one thousand, three".