100121221210202 has 8 divisors (see below), whose sum is σ = 150265873136736. Its totient is φ = 50032596831292.

The previous prime is 100121221210201. The next prime is 100121221210243. The reversal of 100121221210202 is 202012122121001.

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

It is not an unprimeable number, because it can be changed into a prime (100121221210201) 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, 14006882438 + ... + 14006889585.

It is an arithmetic number, because the mean of its divisors is an integer number (18783234142092).

Almost surely, 2^{100121221210202} is an apocalyptic number.

100121221210202 is a deficient number, since it is larger than the sum of its proper divisors (50144651926534).

100121221210202 is a wasteful number, since it uses less digits than its factorization.

100121221210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28013773812.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 100121221210202 its reverse (202012122121001), we get a palindrome (302133343331203).

The spelling of 100121221210202 in words is "one hundred trillion, one hundred twenty-one billion, two hundred twenty-one million, two hundred ten thousand, two hundred two".