202023105421126 has 8 divisors (see below), whose sum is σ = 330583263416424. Its totient is φ = 91828684282320.

The previous prime is 202023105421103. The next prime is 202023105421171. The reversal of 202023105421126 is 621124501320202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4591434214095 + ... + 4591434214138.

It is an arithmetic number, because the mean of its divisors is an integer number (41322907927053).

Almost surely, 2^{202023105421126} is an apocalyptic number.

202023105421126 is a deficient number, since it is larger than the sum of its proper divisors (128560157995298).

202023105421126 is a wasteful number, since it uses less digits than its factorization.

202023105421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9182868428246.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 202023105421126 its reverse (621124501320202), we get a palindrome (823147606741328).

The spelling of 202023105421126 in words is "two hundred two trillion, twenty-three billion, one hundred five million, four hundred twenty-one thousand, one hundred twenty-six".