1201400221033 has 4 divisors (see below), whose sum is σ = 1213785790420. Its totient is φ = 1189014651648.

The previous prime is 1201400221013. The next prime is 1201400221081. The reversal of 1201400221033 is 3301220041021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 659590871104 + 541809349929 = 812152^2 + 736077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201400221033 - 2⁹ = 1201400220521 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201400221033.

It is not an unprimeable number, because it can be changed into a prime (1201400221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6192784548 + ... + 6192784741.

It is an arithmetic number, because the mean of its divisors is an integer number (303446447605).

Almost surely, 2^{1201400221033} is an apocalyptic number.

It is an amenable number.

1201400221033 is a deficient number, since it is larger than the sum of its proper divisors (12385569387).

1201400221033 is an equidigital number, since it uses as much as digits as its factorization.

1201400221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385569386.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1201400221033 its reverse (3301220041021), we get a palindrome (4502620262054).

The spelling of 1201400221033 in words is "one trillion, two hundred one billion, four hundred million, two hundred twenty-one thousand, thirty-three".