1122220101 has 8 divisors (see below), whose sum is σ = 1536733984. Its totient is φ = 727926480.

The previous prime is 1122220093. The next prime is 1122220139. The reversal of 1122220101 is 1010222211.

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

It is not a de Polignac number, because 1122220101 - 2³ = 1122220093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122227101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5054935 + ... + 5055156.

It is an arithmetic number, because the mean of its divisors is an integer number (192091748).

Almost surely, 2^1122220101 is an apocalyptic number.

It is an amenable number.

1122220101 is a deficient number, since it is larger than the sum of its proper divisors (414513883).

1122220101 is a wasteful number, since it uses less digits than its factorization.

1122220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110131.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1122220101 is about 33499.5537432963. The cubic root of 1122220101 is about 1039.1845497009.

Adding to 1122220101 its reverse (1010222211), we get a palindrome (2132442312).

The spelling of 1122220101 in words is "one billion, one hundred twenty-two million, two hundred twenty thousand, one hundred one".