1121101213 has 8 divisors (see below), whose sum is σ = 1231416000. Its totient is φ = 1015917408.

The previous prime is 1121101207. The next prime is 1121101217. The reversal of 1121101213 is 3121011211.

It is a happy number.

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 1121101213 - 2¹⁷ = 1120970141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121101193 and 1121101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121101217) 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, 1282288 + ... + 1283161.

It is an arithmetic number, because the mean of its divisors is an integer number (153927000).

Almost surely, 2^1121101213 is an apocalyptic number.

It is an amenable number.

1121101213 is a deficient number, since it is larger than the sum of its proper divisors (110314787).

1121101213 is a wasteful number, since it uses less digits than its factorization.

1121101213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565491.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121101213 is about 33482.8495352471. The cubic root of 1121101213 is about 1038.8390685243.

Adding to 1121101213 its reverse (3121011211), we get a palindrome (4242112424).

The spelling of 1121101213 in words is "one billion, one hundred twenty-one million, one hundred one thousand, two hundred thirteen".