100021400242242 has 32 divisors (see below), whose sum is σ = 202557699734400. Its totient is φ = 32922306603648.

The previous prime is 100021400242241. The next prime is 100021400242261. The reversal of 100021400242242 is 242242004120001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100021400242241) 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, 123311742 + ... + 124120217.

It is an arithmetic number, because the mean of its divisors is an integer number (6329928116700).

Almost surely, 2^{100021400242242} is an apocalyptic number.

100021400242242 is an abundant number, since it is smaller than the sum of its proper divisors (102536299492158).

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

100021400242242 is a wasteful number, since it uses less digits than its factorization.

100021400242242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247432810.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 100021400242242 its reverse (242242004120001), we get a palindrome (342263404362243).

The spelling of 100021400242242 in words is "one hundred trillion, twenty-one billion, four hundred million, two hundred forty-two thousand, two hundred forty-two".