221112012101 has 8 divisors (see below), whose sum is σ = 222008548608. Its totient is φ = 220215600000.

The previous prime is 221112012067. The next prime is 221112012109. The reversal of 221112012101 is 101210211122.

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 221112012101 - 2²⁶ = 221044903237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221112012109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5529941 + ... + 5569781.

It is an arithmetic number, because the mean of its divisors is an integer number (27751068576).

Almost surely, 2^221112012101 is an apocalyptic number.

It is an amenable number.

221112012101 is a deficient number, since it is larger than the sum of its proper divisors (896536507).

221112012101 is a wasteful number, since it uses less digits than its factorization.

221112012101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62203.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 221112012101 its reverse (101210211122), we get a palindrome (322322223223).

The spelling of 221112012101 in words is "two hundred twenty-one billion, one hundred twelve million, twelve thousand, one hundred one".