1123022101 has 8 divisors (see below), whose sum is σ = 1127368800. Its totient is φ = 1118683440.

The previous prime is 1123022077. The next prime is 1123022111. The reversal of 1123022101 is 1012203211.

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 1123022101 - 2²⁵ = 1089467669 is a prime.

It is a super-2 number, since 2×1123022101² = 2522357278668908402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123022111) 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, 464586 + ... + 466996.

It is an arithmetic number, because the mean of its divisors is an integer number (140921100).

Almost surely, 2^1123022101 is an apocalyptic number.

It is an amenable number.

1123022101 is a deficient number, since it is larger than the sum of its proper divisors (4346699).

1123022101 is a wasteful number, since it uses less digits than its factorization.

1123022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1123022101 is about 33511.5219141119. The cubic root of 1123022101 is about 1039.4320435005.

Adding to 1123022101 its reverse (1012203211), we get a palindrome (2135225312).

The spelling of 1123022101 in words is "one billion, one hundred twenty-three million, twenty-two thousand, one hundred one".