101222221426 has 8 divisors (see below), whose sum is σ = 152016487020. Its totient is φ = 50550059088.

The previous prime is 101222221391. The next prime is 101222221447. The reversal of 101222221426 is 624122222101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 92020615801 + 9201605625 = 303349^2 + 95925^2 .

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

It is a super-2 number, since 2×101222221426² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 101222221426.

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, 30523741 + ... + 30527056.

Almost surely, 2^101222221426 is an apocalyptic number.

101222221426 is a deficient number, since it is larger than the sum of its proper divisors (50794265594).

101222221426 is an equidigital number, since it uses as much as digits as its factorization.

101222221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61051628.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 101222221426 its reverse (624122222101), we get a palindrome (725344443527).

The spelling of 101222221426 in words is "one hundred one billion, two hundred twenty-two million, two hundred twenty-one thousand, four hundred twenty-six".