1121213301 has 32 divisors (see below), whose sum is σ = 1666301952. Its totient is φ = 665945280.

The previous prime is 1121213297. The next prime is 1121213311. The reversal of 1121213301 is 1033121211.

It is a happy number.

It is not a de Polignac number, because 1121213301 - 2² = 1121213297 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121213311) 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, 558766 + ... + 560768.

It is an arithmetic number, because the mean of its divisors is an integer number (52071936).

Almost surely, 2^1121213301 is an apocalyptic number.

It is an amenable number.

1121213301 is a deficient number, since it is larger than the sum of its proper divisors (545088651).

1121213301 is a wasteful number, since it uses less digits than its factorization.

1121213301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1121213301 is about 33484.5233055512. The cubic root of 1121213301 is about 1038.8736885068.

Adding to 1121213301 its reverse (1033121211), we get a palindrome (2154334512).

The spelling of 1121213301 in words is "one billion, one hundred twenty-one million, two hundred thirteen thousand, three hundred one".