1100213401 has 4 divisors (see below), whose sum is σ = 1257386752. Its totient is φ = 943040052.

The previous prime is 1100213383. The next prime is 1100213407. The reversal of 1100213401 is 1043120011.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1043120011 = 12973 ⋅80407.

It is a cyclic number.

It is not a de Polignac number, because 1100213401 - 2¹¹ = 1100211353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100213407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78586665 + ... + 78586678.

It is an arithmetic number, because the mean of its divisors is an integer number (314346688).

Almost surely, 2^1100213401 is an apocalyptic number.

It is an amenable number.

1100213401 is a deficient number, since it is larger than the sum of its proper divisors (157173351).

1100213401 is an equidigital number, since it uses as much as digits as its factorization.

1100213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157173350.

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

The square root of 1100213401 is about 33169.4648886593. The cubic root of 1100213401 is about 1032.3468655670.

Adding to 1100213401 its reverse (1043120011), we get a palindrome (2143333412).

The spelling of 1100213401 in words is "one billion, one hundred million, two hundred thirteen thousand, four hundred one".