2040402420121 has 16 divisors (see below), whose sum is σ = 2338995657600. Its totient is φ = 1764270972288.

The previous prime is 2040402420101. The next prime is 2040402420143. The reversal of 2040402420121 is 1210242040402.

It is a cyclic number.

It is not a de Polignac number, because 2040402420121 - 2¹¹ = 2040402418073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2040402420092 and 2040402420101.

It is not an unprimeable number, because it can be changed into a prime (2040402420101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46386661 + ... + 46430626.

It is an arithmetic number, because the mean of its divisors is an integer number (146187228600).

Almost surely, 2^{2040402420121} is an apocalyptic number.

It is an amenable number.

2040402420121 is a deficient number, since it is larger than the sum of its proper divisors (298593237479).

2040402420121 is a wasteful number, since it uses less digits than its factorization.

2040402420121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92817408.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2040402420121 its reverse (1210242040402), we get a palindrome (3250644460523).

The spelling of 2040402420121 in words is "two trillion, forty billion, four hundred two million, four hundred twenty thousand, one hundred twenty-one".