1201400233221 has 16 divisors (see below), whose sum is σ = 1657217016000. Its totient is φ = 773262244608.

The previous prime is 1201400233219. The next prime is 1201400233247. The reversal of 1201400233221 is 1223320041021.

It is not a de Polignac number, because 1201400233221 - 2¹ = 1201400233219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201400233211) 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 15 ways as a sum of consecutive naturals, for example, 829005 + ... + 1757853.

It is an arithmetic number, because the mean of its divisors is an integer number (103576063500).

Almost surely, 2^{1201400233221} is an apocalyptic number.

It is an amenable number.

1201400233221 is a deficient number, since it is larger than the sum of its proper divisors (455816782779).

1201400233221 is a wasteful number, since it uses less digits than its factorization.

1201400233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943748.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1201400233221 its reverse (1223320041021), we get a palindrome (2424720274242).

The spelling of 1201400233221 in words is "one trillion, two hundred one billion, four hundred million, two hundred thirty-three thousand, two hundred twenty-one".