101111221232221 has 8 divisors (see below), whose sum is σ = 107059908959424. Its totient is φ = 95162641152960.

The previous prime is 101111221232213. The next prime is 101111221232257. The reversal of 101111221232221 is 122232122111101.

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 101111221232221 - 2³ = 101111221232213 is a prime.

It is a super-2 number, since 2×101111221232221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101111221232192 and 101111221232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111221232201) 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, 24974185 + ... + 28739038.

It is an arithmetic number, because the mean of its divisors is an integer number (13382488619928).

Almost surely, 2^{101111221232221} is an apocalyptic number.

It is an amenable number.

101111221232221 is a deficient number, since it is larger than the sum of its proper divisors (5948687727203).

101111221232221 is a wasteful number, since it uses less digits than its factorization.

101111221232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53823971.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 101111221232221 its reverse (122232122111101), we get a palindrome (223343343343322).

The spelling of 101111221232221 in words is "one hundred one trillion, one hundred eleven billion, two hundred twenty-one million, two hundred thirty-two thousand, two hundred twenty-one".