121034433403 has 32 divisors (see below), whose sum is σ = 139218186240. Its totient is φ = 104301354240.

The previous prime is 121034433371. The next prime is 121034433407. The reversal of 121034433403 is 304334430121.

It is not a de Polignac number, because 121034433403 - 2⁵ = 121034433371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121034433407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5035951 + ... + 5059927.

It is an arithmetic number, because the mean of its divisors is an integer number (4350568320).

Almost surely, 2^121034433403 is an apocalyptic number.

121034433403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121034433403 is a deficient number, since it is larger than the sum of its proper divisors (18183752837).

121034433403 is a wasteful number, since it uses less digits than its factorization.

121034433403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24307.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 121034433403 its reverse (304334430121), we get a palindrome (425368863524).

The spelling of 121034433403 in words is "one hundred twenty-one billion, thirty-four million, four hundred thirty-three thousand, four hundred three".