1012021211333 has 32 divisors (see below), whose sum is σ = 1140979115520. Its totient is φ = 889764701760.

The previous prime is 1012021211329. The next prime is 1012021211351. The reversal of 1012021211333 is 3331121202101.

It is a happy number.

It is not a de Polignac number, because 1012021211333 - 2² = 1012021211329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012021211303) 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, 34206335 + ... + 34235907.

It is an arithmetic number, because the mean of its divisors is an integer number (35655597360).

Almost surely, 2^{1012021211333} is an apocalyptic number.

It is an amenable number.

1012021211333 is a deficient number, since it is larger than the sum of its proper divisors (128957904187).

1012021211333 is a wasteful number, since it uses less digits than its factorization.

1012021211333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30497.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1012021211333 its reverse (3331121202101), we get a palindrome (4343142413434).

The spelling of 1012021211333 in words is "one trillion, twelve billion, twenty-one million, two hundred eleven thousand, three hundred thirty-three".