101230221122221 has 4 divisors (see below), whose sum is σ = 101230600672000. Its totient is φ = 101229841572444.

The previous prime is 101230221122179. The next prime is 101230221122249. The reversal of 101230221122221 is 122221122032101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101230221122221 - 2¹⁷ = 101230220991149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101230221122192 and 101230221122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101230221120221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189374541 + ... + 189908338.

It is an arithmetic number, because the mean of its divisors is an integer number (25307650168000).

Almost surely, 2^{101230221122221} is an apocalyptic number.

It is an amenable number.

101230221122221 is a deficient number, since it is larger than the sum of its proper divisors (379549779).

101230221122221 is an equidigital number, since it uses as much as digits as its factorization.

101230221122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379549778.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 101230221122221 its reverse (122221122032101), we get a palindrome (223451343154322).

The spelling of 101230221122221 in words is "one hundred one trillion, two hundred thirty billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred twenty-one".