2221131032101 has 4 divisors (see below), whose sum is σ = 2227531986432. Its totient is φ = 2214730077772.

The previous prime is 2221131032089. The next prime is 2221131032201. The reversal of 2221131032101 is 1012301311222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221131032101 is a prime.

It is a super-3 number, since 3×2221131032101³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221131032201) 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 3 ways as a sum of consecutive naturals, for example, 3200476645 + ... + 3200477338.

It is an arithmetic number, because the mean of its divisors is an integer number (556882996608).

Almost surely, 2^{2221131032101} is an apocalyptic number.

It is an amenable number.

2221131032101 is a deficient number, since it is larger than the sum of its proper divisors (6400954331).

2221131032101 is an equidigital number, since it uses as much as digits as its factorization.

2221131032101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400954330.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2221131032101 its reverse (1012301311222), we get a palindrome (3233432343323).

The spelling of 2221131032101 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, thirty-two thousand, one hundred one".