121431110534 has 8 divisors (see below), whose sum is σ = 192861175608. Its totient is φ = 57144052000.

The previous prime is 121431110519. The next prime is 121431110587. The reversal of 121431110534 is 435011134121.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1785751592 + ... + 1785751659.

It is an arithmetic number, because the mean of its divisors is an integer number (24107646951).

Almost surely, 2^121431110534 is an apocalyptic number.

121431110534 is a deficient number, since it is larger than the sum of its proper divisors (71430065074).

121431110534 is a wasteful number, since it uses less digits than its factorization.

121431110534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571503270.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 121431110534 its reverse (435011134121), we get a palindrome (556442244655).

The spelling of 121431110534 in words is "one hundred twenty-one billion, four hundred thirty-one million, one hundred ten thousand, five hundred thirty-four".