1011213202 has 4 divisors (see below), whose sum is σ = 1516819806. Its totient is φ = 505606600.

The previous prime is 1011213197. The next prime is 1011213221. The reversal of 1011213202 is 2023121101.

1011213202 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.

It can be written as a sum of positive squares in only one way, i.e., 699655401 + 311557801 = 26451^2 + 17651^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252803299 + ... + 252803302.

Almost surely, 2^1011213202 is an apocalyptic number.

1011213202 is a deficient number, since it is larger than the sum of its proper divisors (505606604).

1011213202 is an equidigital number, since it uses as much as digits as its factorization.

1011213202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505606603.

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

The square root of 1011213202 is about 31799.5786450072. The cubic root of 1011213202 is about 1003.7238497302.

Adding to 1011213202 its reverse (2023121101), we get a palindrome (3034334303).

The spelling of 1011213202 in words is "one billion, eleven million, two hundred thirteen thousand, two hundred two".