1201102213 has 4 divisors (see below), whose sum is σ = 1215573408. Its totient is φ = 1186631020.

The previous prime is 1201102183. The next prime is 1201102219. The reversal of 1201102213 is 3122011021.

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: 3122011021 = 46771 ⋅66751.

It is a cyclic number.

It is not a de Polignac number, because 1201102213 - 2⁵ = 1201102181 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201102193 and 1201102202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201102219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7235473 + ... + 7235638.

It is an arithmetic number, because the mean of its divisors is an integer number (303893352).

Almost surely, 2^1201102213 is an apocalyptic number.

It is an amenable number.

1201102213 is a deficient number, since it is larger than the sum of its proper divisors (14471195).

1201102213 is an equidigital number, since it uses as much as digits as its factorization.

1201102213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14471194.

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

The square root of 1201102213 is about 34656.9215741964. The cubic root of 1201102213 is about 1062.9838240889.

Adding to 1201102213 its reverse (3122011021), we get a palindrome (4323113234).

The spelling of 1201102213 in words is "one billion, two hundred one million, one hundred two thousand, two hundred thirteen".