202230021044421 has 32 divisors (see below), whose sum is σ = 312716451075840. Its totient is φ = 128921012510400.

The previous prime is 202230021044377. The next prime is 202230021044461. The reversal of 202230021044421 is 124440120032202.

It is a happy number.

202230021044421 is a `hidden beast` number, since 2 + 0 + 2 + 2 + 3 + 0 + 0 + 210 + 4 + 442 + 1 = 666.

It is not a de Polignac number, because 202230021044421 - 2⁹ = 202230021043909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202230021044461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44896690 + ... + 49195251.

It is an arithmetic number, because the mean of its divisors is an integer number (9772389096120).

Almost surely, 2^{202230021044421} is an apocalyptic number.

It is an amenable number.

202230021044421 is a deficient number, since it is larger than the sum of its proper divisors (110486430031419).

202230021044421 is a wasteful number, since it uses less digits than its factorization.

202230021044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94095434 (or 94095428 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 202230021044421 its reverse (124440120032202), we get a palindrome (326670141076623).

The spelling of 202230021044421 in words is "two hundred two trillion, two hundred thirty billion, twenty-one million, forty-four thousand, four hundred twenty-one".