1011213201 has 4 divisors (see below), whose sum is σ = 1348284272. Its totient is φ = 674142132.

The previous prime is 1011213197. The next prime is 1011213221. The reversal of 1011213201 is 1023121101.

1011213201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1011213201 - 2² = 1011213197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011213221) 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, 168535531 + ... + 168535536.

It is an arithmetic number, because the mean of its divisors is an integer number (337071068).

Almost surely, 2^1011213201 is an apocalyptic number.

It is an amenable number.

1011213201 is a deficient number, since it is larger than the sum of its proper divisors (337071071).

1011213201 is an equidigital number, since it uses as much as digits as its factorization.

1011213201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337071070.

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

The square root of 1011213201 is about 31799.5786292838. The cubic root of 1011213201 is about 1003.7238493994.

Adding to 1011213201 its reverse (1023121101), we get a palindrome (2034334302).

The spelling of 1011213201 in words is "one billion, eleven million, two hundred thirteen thousand, two hundred one".