421121550235 has 16 divisors (see below), whose sum is σ = 507889299456. Its totient is φ = 335203266528.

The previous prime is 421121550217. The next prime is 421121550251. The reversal of 421121550235 is 532055121124.

It is a cyclic number.

It is not a de Polignac number, because 421121550235 - 2³⁷ = 283682596763 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 421121550197 and 421121550206.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957162 + ... + 2161648.

It is an arithmetic number, because the mean of its divisors is an integer number (31743081216).

Almost surely, 2^421121550235 is an apocalyptic number.

421121550235 is a deficient number, since it is larger than the sum of its proper divisors (86767749221).

421121550235 is a wasteful number, since it uses less digits than its factorization.

421121550235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206562.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 421121550235 its reverse (532055121124), we get a palindrome (953176671359).

The spelling of 421121550235 in words is "four hundred twenty-one billion, one hundred twenty-one million, five hundred fifty thousand, two hundred thirty-five".