201122100998 has 64 divisors (see below), whose sum is σ = 384426000000. Its totient is φ = 76757151744.

The previous prime is 201122100997. The next prime is 201122101073. The reversal of 201122100998 is 899001221102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201122100997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6576968 + ... + 6607476.

It is an arithmetic number, because the mean of its divisors is an integer number (6006656250).

Almost surely, 2^201122100998 is an apocalyptic number.

201122100998 is a deficient number, since it is larger than the sum of its proper divisors (183303899002).

201122100998 is a wasteful number, since it uses less digits than its factorization.

201122100998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31809.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 201122100998 in words is "two hundred one billion, one hundred twenty-two million, one hundred thousand, nine hundred ninety-eight".