100101561220050 has 96 divisors (see below), whose sum is σ = 268141489429632. Its totient is φ = 24567267271680.

The previous prime is 100101561220043. The next prime is 100101561220051. The reversal of 100101561220050 is 50022165101001.

It is a self number, because there is not a number n which added to its sum of digits gives 100101561220050.

It is not an unprimeable number, because it can be changed into a prime (100101561220051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75506254 + ... + 76820553.

It is an arithmetic number, because the mean of its divisors is an integer number (2793140514892).

Almost surely, 2^{100101561220050} is an apocalyptic number.

100101561220050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100101561220050 is an abundant number, since it is smaller than the sum of its proper divisors (168039928209582).

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

100101561220050 is a wasteful number, since it uses less digits than its factorization.

100101561220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152327172 (or 152327167 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The spelling of 100101561220050 in words is "one hundred trillion, one hundred one billion, five hundred sixty-one million, two hundred twenty thousand, fifty".