1211133020302 has 12 divisors (see below), whose sum is σ = 1856175126840. Its totient is φ = 592682114156.

The previous prime is 1211133020291. The next prime is 1211133020309. The reversal of 1211133020302 is 2030203311121.

It is a self number, because there is not a number n which added to its sum of digits gives 1211133020302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211133020309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137063602 + ... + 137072437.

It is an arithmetic number, because the mean of its divisors is an integer number (154681260570).

Almost surely, 2^{1211133020302} is an apocalyptic number.

1211133020302 is a deficient number, since it is larger than the sum of its proper divisors (645042106538).

1211133020302 is an equidigital number, since it uses as much as digits as its factorization.

1211133020302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274136135 (or 274136088 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1211133020302 its reverse (2030203311121), we get a palindrome (3241336331423).

The spelling of 1211133020302 in words is "one trillion, two hundred eleven billion, one hundred thirty-three million, twenty thousand, three hundred two".