100402043220242 has 8 divisors (see below), whose sum is σ = 150606416242800. Its totient is φ = 50199904472644.

The previous prime is 100402043220191. The next prime is 100402043220301. The reversal of 100402043220242 is 242022340204001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558456392 + ... + 558636147.

It is an arithmetic number, because the mean of its divisors is an integer number (18825802030350).

Almost surely, 2^{100402043220242} is an apocalyptic number.

100402043220242 is a deficient number, since it is larger than the sum of its proper divisors (50204373022558).

100402043220242 is a wasteful number, since it uses less digits than its factorization.

100402043220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117137480.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 100402043220242 its reverse (242022340204001), we get a palindrome (342424383424243).

The spelling of 100402043220242 in words is "one hundred trillion, four hundred two billion, forty-three million, two hundred twenty thousand, two hundred forty-two".