101011101998 has 16 divisors (see below), whose sum is σ = 153655230960. Its totient is φ = 49793259456.

The previous prime is 101011101949. The next prime is 101011102013. The reversal of 101011101998 is 899101110101.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218336 + ... + 499692.

It is an arithmetic number, because the mean of its divisors is an integer number (9603451935).

Almost surely, 2^101011101998 is an apocalyptic number.

101011101998 is a deficient number, since it is larger than the sum of its proper divisors (52644128962).

101011101998 is a wasteful number, since it uses less digits than its factorization.

101011101998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283891.

The product of its (nonzero) digits is 648, while the sum is 32.

The spelling of 101011101998 in words is "one hundred one billion, eleven million, one hundred one thousand, nine hundred ninety-eight".