1101204401 has 4 divisors (see below), whose sum is σ = 1201313904. Its totient is φ = 1001094900.

The previous prime is 1101204371. The next prime is 1101204449. The reversal of 1101204401 is 1044021011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1101204401 - 2²² = 1097010097 is a prime.

It is a super-2 number, since 2×1101204401² = 2425302265563537602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101204491) 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 3 ways as a sum of consecutive naturals, for example, 50054735 + ... + 50054756.

It is an arithmetic number, because the mean of its divisors is an integer number (300328476).

Almost surely, 2^1101204401 is an apocalyptic number.

1101204401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101204401 is a deficient number, since it is larger than the sum of its proper divisors (100109503).

1101204401 is a wasteful number, since it uses less digits than its factorization.

1101204401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100109502.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1101204401 is about 33184.3999644411. The cubic root of 1101204401 is about 1032.6567293108.

Adding to 1101204401 its reverse (1044021011), we get a palindrome (2145225412).

It can be divided in two parts, 1101 and 204401, that added together give a palindrome (205502).

The spelling of 1101204401 in words is "one billion, one hundred one million, two hundred four thousand, four hundred one".