1211033021334 has 16 divisors (see below), whose sum is σ = 2438106216960. Its totient is φ = 401004311400.

The previous prime is 1211033021327. The next prime is 1211033021369. The reversal of 1211033021334 is 4331203301121.

It is a super-2 number, since 2×1211033021334² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668339614 + ... + 668341425.

It is an arithmetic number, because the mean of its divisors is an integer number (152381638560).

Almost surely, 2^{1211033021334} is an apocalyptic number.

1211033021334 is an abundant number, since it is smaller than the sum of its proper divisors (1227073195626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1211033021334 is a wasteful number, since it uses less digits than its factorization.

1211033021334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336681195.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1211033021334 its reverse (4331203301121), we get a palindrome (5542236322455).

The spelling of 1211033021334 in words is "one trillion, two hundred eleven billion, thirty-three million, twenty-one thousand, three hundred thirty-four".