4121120100402 has 24 divisors (see below), whose sum is σ = 8935430790780. Its totient is φ = 1372731740160.

The previous prime is 4121120100397. The next prime is 4121120100403. The reversal of 4121120100402 is 2040010211214.

4121120100402 is a `hidden beast` number, since 41 + 2 + 1 + 120 + 100 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4120246365921 + 873734481 = 2029839^2 + 29559^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4121120100403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81220599 + ... + 81271322.

Almost surely, 2^{4121120100402} is an apocalyptic number.

4121120100402 is an abundant number, since it is smaller than the sum of its proper divisors (4814310690378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4121120100402 is a wasteful number, since it uses less digits than its factorization.

4121120100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162493338 (or 162493335 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 4121120100402 its reverse (2040010211214), we get a palindrome (6161130311616).

The spelling of 4121120100402 in words is "four trillion, one hundred twenty-one billion, one hundred twenty million, one hundred thousand, four hundred two".