101122001022221 has 8 divisors (see below), whose sum is σ = 103343265327744. Its totient is φ = 98903642232160.

The previous prime is 101122001022193. The next prime is 101122001022241. The reversal of 101122001022221 is 122220100221101.

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-101122001022221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101122001022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101122001022241) 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, 726308495 + ... + 726447708.

It is an arithmetic number, because the mean of its divisors is an integer number (12917908165968).

Almost surely, 2^{101122001022221} is an apocalyptic number.

It is an amenable number.

101122001022221 is a deficient number, since it is larger than the sum of its proper divisors (2221264305523).

101122001022221 is a wasteful number, since it uses less digits than its factorization.

101122001022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452757731.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 101122001022221 its reverse (122220100221101), we get a palindrome (223342101243322).

The spelling of 101122001022221 in words is "one hundred one trillion, one hundred twenty-two billion, one million, twenty-two thousand, two hundred twenty-one".