90101243340102 has 16 divisors (see below), whose sum is σ = 180265871338560. Its totient is φ = 30023183670312.

The previous prime is 90101243340061. The next prime is 90101243340103. The reversal of 90101243340102 is 20104334210109.

It is a self number, because there is not a number n which added to its sum of digits gives 90101243340102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101243340103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2641008952 + ... + 2641043067.

It is an arithmetic number, because the mean of its divisors is an integer number (11266616958660).

Almost surely, 2^{90101243340102} is an apocalyptic number.

90101243340102 is an abundant number, since it is smaller than the sum of its proper divisors (90164627998458).

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

90101243340102 is a wasteful number, since it uses less digits than its factorization.

90101243340102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5282054867.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 90101243340102 in words is "ninety trillion, one hundred one billion, two hundred forty-three million, three hundred forty thousand, one hundred two".