3402050404121 has 4 divisors (see below), whose sum is σ = 3405408796452. Its totient is φ = 3398692011792.

The previous prime is 3402050404111. The next prime is 3402050404127. The reversal of 3402050404121 is 1214040502043.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81039855625 + 3321010548496 = 284675^2 + 1822364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3402050404121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3402050404127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1679194646 + ... + 1679196671.

It is an arithmetic number, because the mean of its divisors is an integer number (851352199113).

Almost surely, 2^{3402050404121} is an apocalyptic number.

It is an amenable number.

3402050404121 is a deficient number, since it is larger than the sum of its proper divisors (3358392331).

3402050404121 is a wasteful number, since it uses less digits than its factorization.

3402050404121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3358392330.

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 3402050404121 its reverse (1214040502043), we get a palindrome (4616090906164).

The spelling of 3402050404121 in words is "three trillion, four hundred two billion, fifty million, four hundred four thousand, one hundred twenty-one".