1421020223133 has 24 divisors (see below), whose sum is σ = 2209121607168. Its totient is φ = 810136204416.

The previous prime is 1421020223123. The next prime is 1421020223137. The reversal of 1421020223133 is 3313220201241.

It is not a de Polignac number, because 1421020223133 - 2²¹ = 1421018125981 is a prime.

It is a super-2 number, since 2×1421020223133² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421020223137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11098941 + ... + 11226242.

It is an arithmetic number, because the mean of its divisors is an integer number (92046733632).

Almost surely, 2^{1421020223133} is an apocalyptic number.

It is an amenable number.

1421020223133 is a deficient number, since it is larger than the sum of its proper divisors (788101384035).

1421020223133 is a wasteful number, since it uses less digits than its factorization.

1421020223133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22325633 (or 22325626 counting only the distinct ones).

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

Adding to 1421020223133 its reverse (3313220201241), we get a palindrome (4734240424374).

The spelling of 1421020223133 in words is "one trillion, four hundred twenty-one billion, twenty million, two hundred twenty-three thousand, one hundred thirty-three".