101621221222 has 8 divisors (see below), whose sum is σ = 152619789672. Its totient is φ = 50747958000.

The previous prime is 101621221201. The next prime is 101621221253. The reversal of 101621221222 is 222122126101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101621221193 and 101621221202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31324279 + ... + 31327522.

It is an arithmetic number, because the mean of its divisors is an integer number (19077473709).

Almost surely, 2^101621221222 is an apocalyptic number.

101621221222 is a deficient number, since it is larger than the sum of its proper divisors (50998568450).

101621221222 is an equidigital number, since it uses as much as digits as its factorization.

101621221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62652614.

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

Adding to 101621221222 its reverse (222122126101), we get a palindrome (323743347323).

It can be divided in two parts, 10162122 and 1222, that added together give a square (10163344 = 3188²).

The spelling of 101621221222 in words is "one hundred one billion, six hundred twenty-one million, two hundred twenty-one thousand, two hundred twenty-two".