1122212101 has 8 divisors (see below), whose sum is σ = 1164153600. Its totient is φ = 1080486960.

The previous prime is 1122212093. The next prime is 1122212123. The reversal of 1122212101 is 1012122211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122212101 - 2³ = 1122212093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122212141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43485 + ... + 64306.

It is an arithmetic number, because the mean of its divisors is an integer number (145519200).

Almost surely, 2^1122212101 is an apocalyptic number.

It is an amenable number.

1122212101 is a deficient number, since it is larger than the sum of its proper divisors (41941499).

1122212101 is a wasteful number, since it uses less digits than its factorization.

1122212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108179.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1122212101 is about 33499.4343385079. The cubic root of 1122212101 is about 1039.1820803410.

Adding to 1122212101 its reverse (1012122211), we get a palindrome (2134334312).

The spelling of 1122212101 in words is "one billion, one hundred twenty-two million, two hundred twelve thousand, one hundred one".