9901012222002 has 32 divisors (see below), whose sum is σ = 21602374056000. Its totient is φ = 3000283737920.

The previous prime is 9901012222001. The next prime is 9901012222009. The reversal of 9901012222002 is 2002222101099.

It is not an unprimeable number, because it can be changed into a prime (9901012222001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9403624 + ... + 10403372.

It is an arithmetic number, because the mean of its divisors is an integer number (675074189250).

Almost surely, 2^{9901012222002} is an apocalyptic number.

9901012222002 is an abundant number, since it is smaller than the sum of its proper divisors (11701361833998).

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

9901012222002 is a wasteful number, since it uses less digits than its factorization.

9901012222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149818.

The product of its (nonzero) digits is 2592, while the sum is 30.

The spelling of 9901012222002 in words is "nine trillion, nine hundred one billion, twelve million, two hundred twenty-two thousand, two".