1123202113201 has 32 divisors (see below), whose sum is σ = 1344070287360. Its totient is φ = 917729657856.

The previous prime is 1123202113199. The next prime is 1123202113279. The reversal of 1123202113201 is 1023112023211.

It is not a de Polignac number, because 1123202113201 - 2¹ = 1123202113199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123202111201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56378520 + ... + 56398438.

It is an arithmetic number, because the mean of its divisors is an integer number (42002196480).

Almost surely, 2^{1123202113201} is an apocalyptic number.

It is an amenable number.

1123202113201 is a deficient number, since it is larger than the sum of its proper divisors (220868174159).

1123202113201 is a wasteful number, since it uses less digits than its factorization.

1123202113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21133.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1123202113201 its reverse (1023112023211), we get a palindrome (2146314136412).

The spelling of 1123202113201 in words is "one trillion, one hundred twenty-three billion, two hundred two million, one hundred thirteen thousand, two hundred one".