101000122010221 has 4 divisors (see below), whose sum is σ = 115428710868832. Its totient is φ = 86571533151612.

The previous prime is 101000122010219. The next prime is 101000122010243. The reversal of 101000122010221 is 122010221000101.

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 101000122010221 - 2¹ = 101000122010219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000122310221) 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, 7214294429295 + ... + 7214294429308.

It is an arithmetic number, because the mean of its divisors is an integer number (28857177717208).

Almost surely, 2^{101000122010221} is an apocalyptic number.

It is an amenable number.

101000122010221 is a deficient number, since it is larger than the sum of its proper divisors (14428588858611).

101000122010221 is an equidigital number, since it uses as much as digits as its factorization.

101000122010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14428588858610.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 101000122010221 its reverse (122010221000101), we get a palindrome (223010343010322).

It can be divided in two parts, 101000 and 122010221, that added together give a palindrome (122111221).

The spelling of 101000122010221 in words is "one hundred one trillion, one hundred twenty-two million, ten thousand, two hundred twenty-one".