101222113221 has 12 divisors (see below), whose sum is σ = 146548958400. Its totient is φ = 67324836840.

The previous prime is 101222113207. The next prime is 101222113249. The reversal of 101222113221 is 122311222101.

101222113221 is a `hidden beast` number, since 10 + 122 + 211 + 322 + 1 = 666.

It is not a de Polignac number, because 101222113221 - 2¹⁴ = 101222096837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101222113194 and 101222113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101222113261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13043571 + ... + 13051328.

It is an arithmetic number, because the mean of its divisors is an integer number (12212413200).

Almost surely, 2^101222113221 is an apocalyptic number.

It is an amenable number.

101222113221 is a deficient number, since it is larger than the sum of its proper divisors (45326845179).

101222113221 is a wasteful number, since it uses less digits than its factorization.

101222113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26095336 (or 26095333 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 101222113221 its reverse (122311222101), we get a palindrome (223533335322).

The spelling of 101222113221 in words is "one hundred one billion, two hundred twenty-two million, one hundred thirteen thousand, two hundred twenty-one".