101222420443 has 4 divisors (see below), whose sum is σ = 103691260008. Its totient is φ = 98753580880.

The previous prime is 101222420413. The next prime is 101222420449. The reversal of 101222420443 is 344024222101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344024222101 = 7 ⋅49146317443.

It is a cyclic number.

It is not a de Polignac number, because 101222420443 - 2²¹ = 101220323291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101222420449) 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, 1234419721 + ... + 1234419802.

It is an arithmetic number, because the mean of its divisors is an integer number (25922815002).

Almost surely, 2^101222420443 is an apocalyptic number.

101222420443 is a deficient number, since it is larger than the sum of its proper divisors (2468839565).

101222420443 is an equidigital number, since it uses as much as digits as its factorization.

101222420443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468839564.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 101222420443 its reverse (344024222101), we get a palindrome (445246642544).

The spelling of 101222420443 in words is "one hundred one billion, two hundred twenty-two million, four hundred twenty thousand, four hundred forty-three".