1112122101 has 8 divisors (see below), whose sum is σ = 1491022624. Its totient is φ = 737318160.

The previous prime is 1112122091. The next prime is 1112122103. The reversal of 1112122101 is 1012212111.

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

It is not a de Polignac number, because 1112122101 - 2⁵ = 1112122069 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 (1112122103) 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, 1023511 + ... + 1024596.

It is an arithmetic number, because the mean of its divisors is an integer number (186377828).

Almost surely, 2^1112122101 is an apocalyptic number.

It is an amenable number.

1112122101 is a deficient number, since it is larger than the sum of its proper divisors (378900523).

1112122101 is a wasteful number, since it uses less digits than its factorization.

1112122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048291.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1112122101 is about 33348.4947336458. The cubic root of 1112122101 is about 1036.0582114869.

Adding to 1112122101 its reverse (1012212111), we get a palindrome (2124334212).

It can be divided in two parts, 111 and 2122101, that added together give a palindrome (2122212).

The spelling of 1112122101 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred one".