1211446868331 has 16 divisors (see below), whose sum is σ = 1853674093568. Its totient is φ = 689382921600.

The previous prime is 1211446868321. The next prime is 1211446868353. The reversal of 1211446868331 is 1338686441121.

It is not a de Polignac number, because 1211446868331 - 2⁹ = 1211446867819 is a prime.

It is a super-3 number, since 3×1211446868331³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211446868321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119679475 + ... + 119689596.

It is an arithmetic number, because the mean of its divisors is an integer number (115854630848).

Almost surely, 2^{1211446868331} is an apocalyptic number.

1211446868331 is a deficient number, since it is larger than the sum of its proper divisors (642227225237).

1211446868331 is a wasteful number, since it uses less digits than its factorization.

1211446868331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239369322.

The product of its digits is 663552, while the sum is 48.

The spelling of 1211446868331 in words is "one trillion, two hundred eleven billion, four hundred forty-six million, eight hundred sixty-eight thousand, three hundred thirty-one".