101112102222221 has 8 divisors (see below), whose sum is σ = 102892006540320. Its totient is φ = 99340161682608.

The previous prime is 101112102222143. The next prime is 101112102222233. The reversal of 101112102222221 is 122222201211101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101112102222221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101112102222193 and 101112102222202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101112102222251) 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, 1990919006 + ... + 1990969791.

It is an arithmetic number, because the mean of its divisors is an integer number (12861500817540).

Almost surely, 2^{101112102222221} is an apocalyptic number.

It is an amenable number.

101112102222221 is a deficient number, since it is larger than the sum of its proper divisors (1779904318099).

101112102222221 is an equidigital number, since it uses as much as digits as its factorization.

101112102222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981889243.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101112102222221 its reverse (122222201211101), we get a palindrome (223334303433322).

The spelling of 101112102222221 in words is "one hundred one trillion, one hundred twelve billion, one hundred two million, two hundred twenty-two thousand, two hundred twenty-one".