101221000106 has 8 divisors (see below), whose sum is σ = 157067069220. Its totient is φ = 48865310368.

The previous prime is 101221000087. The next prime is 101221000117. The reversal of 101221000106 is 601000122101.

It can be written as a sum of positive squares in 2 ways, for example, as 101120820025 + 100180081 = 317995^2 + 10009^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101221000106² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872594771 + ... + 872594886.

Almost surely, 2^101221000106 is an apocalyptic number.

101221000106 is a deficient number, since it is larger than the sum of its proper divisors (55846069114).

101221000106 is a wasteful number, since it uses less digits than its factorization.

101221000106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745189688.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 101221000106 its reverse (601000122101), we get a palindrome (702221122207).

The spelling of 101221000106 in words is "one hundred one billion, two hundred twenty-one million, one hundred six", and thus it is an aban number.