1222042101 has 8 divisors (see below), whose sum is σ = 1862159424. Its totient is φ = 698309760.

The previous prime is 1222042061. The next prime is 1222042109. The reversal of 1222042101 is 1012402221.

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

It is not a de Polignac number, because 1222042101 - 2⁶ = 1222042037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222042109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29096220 + ... + 29096261.

It is an arithmetic number, because the mean of its divisors is an integer number (232769928).

Almost surely, 2^1222042101 is an apocalyptic number.

It is an amenable number.

1222042101 is a deficient number, since it is larger than the sum of its proper divisors (640117323).

1222042101 is an equidigital number, since it uses as much as digits as its factorization.

1222042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58192491.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1222042101 is about 34957.7187613837. The cubic root of 1222042101 is about 1069.1255851452.

Adding to 1222042101 its reverse (1012402221), we get a palindrome (2234444322).

The spelling of 1222042101 in words is "one billion, two hundred twenty-two million, forty-two thousand, one hundred one".