101211101120221 has 8 divisors (see below), whose sum is σ = 106538169408800. Its totient is φ = 95884049654640.

The previous prime is 101211101120191. The next prime is 101211101120251. The reversal of 101211101120221 is 122021101112101.

It is an interprime number because it is at equal distance from previous prime (101211101120191) and next prime (101211101120251).

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 101211101120221 - 2⁵ = 101211101120189 is a prime.

It is a super-2 number, since 2×101211101120221² (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 = 101211101120195 and 101211101120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211101120251) 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, 9246706 + ... + 16968316.

It is an arithmetic number, because the mean of its divisors is an integer number (13317271176100).

Almost surely, 2^{101211101120221} is an apocalyptic number.

It is an amenable number.

101211101120221 is a deficient number, since it is larger than the sum of its proper divisors (5327068288579).

101211101120221 is an equidigital number, since it uses as much as digits as its factorization.

101211101120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8411499.

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

Adding to 101211101120221 its reverse (122021101112101), we get a palindrome (223232202232322).

The spelling of 101211101120221 in words is "one hundred one trillion, two hundred eleven billion, one hundred one million, one hundred twenty thousand, two hundred twenty-one".