1221422333001 has 32 divisors (see below), whose sum is σ = 1758853541760. Its totient is φ = 749495545344.

The previous prime is 1221422332997. The next prime is 1221422333029. The reversal of 1221422333001 is 1003332241221.

It is not a de Polignac number, because 1221422333001 - 2² = 1221422332997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1221422333701) 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 31 ways as a sum of consecutive naturals, for example, 121686955 + ... + 121696991.

It is an arithmetic number, because the mean of its divisors is an integer number (54964173180).

Almost surely, 2^{1221422333001} is an apocalyptic number.

It is an amenable number.

1221422333001 is a deficient number, since it is larger than the sum of its proper divisors (537431208759).

1221422333001 is a wasteful number, since it uses less digits than its factorization.

1221422333001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18665.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1221422333001 its reverse (1003332241221), we get a palindrome (2224754574222).

The spelling of 1221422333001 in words is "one trillion, two hundred twenty-one billion, four hundred twenty-two million, three hundred thirty-three thousand, one".