421115212242334 has 4 divisors (see below), whose sum is σ = 631672818363504. Its totient is φ = 210557606121166.

The previous prime is 421115212242323. The next prime is 421115212242509. The reversal of 421115212242334 is 433242212511124.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 421115212242293 and 421115212242302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105278803060582 + ... + 105278803060585.

It is an arithmetic number, because the mean of its divisors is an integer number (157918204590876).

Almost surely, 2^{421115212242334} is an apocalyptic number.

421115212242334 is a deficient number, since it is larger than the sum of its proper divisors (210557606121170).

421115212242334 is a wasteful number, since it uses less digits than its factorization.

421115212242334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210557606121169.

The product of its digits is 92160, while the sum is 37.

Adding to 421115212242334 its reverse (433242212511124), we get a palindrome (854357424753458).

The spelling of 421115212242334 in words is "four hundred twenty-one trillion, one hundred fifteen billion, two hundred twelve million, two hundred forty-two thousand, three hundred thirty-four".