121033042313534 has 16 divisors (see below), whose sum is σ = 195524058879072. Its totient is φ = 55858791466848.

The previous prime is 121033042313507. The next prime is 121033042313537. The reversal of 121033042313534 is 435313240330121.

It is a junction number, because it is equal to n+sod(n) for n = 121033042313494 and 121033042313503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033042313537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108294929 + ... + 109406844.

It is an arithmetic number, because the mean of its divisors is an integer number (12220253679942).

Almost surely, 2^{121033042313534} is an apocalyptic number.

121033042313534 is a deficient number, since it is larger than the sum of its proper divisors (74491016565538).

121033042313534 is a wasteful number, since it uses less digits than its factorization.

121033042313534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217723171.

The product of its (nonzero) digits is 77760, while the sum is 35.

Adding to 121033042313534 its reverse (435313240330121), we get a palindrome (556346282643655).

The spelling of 121033042313534 in words is "one hundred twenty-one trillion, thirty-three billion, forty-two million, three hundred thirteen thousand, five hundred thirty-four".