421102201220534 has 8 divisors (see below), whose sum is σ = 631721345950200. Its totient is φ = 210528419237136.

The previous prime is 421102201220497. The next prime is 421102201220549. The reversal of 421102201220534 is 435022102201124.

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

It is a junction number, because it is equal to n+sod(n) for n = 421102201220497 and 421102201220506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11340663359 + ... + 11340700490.

It is an arithmetic number, because the mean of its divisors is an integer number (78965168243775).

Almost surely, 2^{421102201220534} is an apocalyptic number.

421102201220534 is a deficient number, since it is larger than the sum of its proper divisors (210619144729666).

421102201220534 is a wasteful number, since it uses less digits than its factorization.

421102201220534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22681373134.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 421102201220534 its reverse (435022102201124), we get a palindrome (856124303421658).

The spelling of 421102201220534 in words is "four hundred twenty-one trillion, one hundred two billion, two hundred one million, two hundred twenty thousand, five hundred thirty-four".