100121021120202 has 32 divisors (see below), whose sum is σ = 204743819714112. Its totient is φ = 32631668027904.

The previous prime is 100121021120179. The next prime is 100121021120207. The reversal of 100121021120202 is 202021120121001.

It is not an unprimeable number, because it can be changed into a prime (100121021120207) 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, 1036272453 + ... + 1036369064.

It is an arithmetic number, because the mean of its divisors is an integer number (6398244366066).

Almost surely, 2^{100121021120202} is an apocalyptic number.

100121021120202 is an abundant number, since it is smaller than the sum of its proper divisors (104622798593910).

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

100121021120202 is a wasteful number, since it uses less digits than its factorization.

100121021120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072641702.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 100121021120202 its reverse (202021120121001), we get a palindrome (302142141241203).

The spelling of 100121021120202 in words is "one hundred trillion, one hundred twenty-one billion, twenty-one million, one hundred twenty thousand, two hundred two".