101120009990 has 16 divisors (see below), whose sum is σ = 182708098848. Its totient is φ = 40294208256.

The previous prime is 101120009989. The next prime is 101120009999. The reversal of 101120009990 is 99900021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120009999) by changing a digit.

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, 19221707 + ... + 19226966.

It is an arithmetic number, because the mean of its divisors is an integer number (11419256178).

Almost surely, 2^101120009990 is an apocalyptic number.

101120009990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101120009990 is a deficient number, since it is larger than the sum of its proper divisors (81588088858).

101120009990 is a wasteful number, since it uses less digits than its factorization.

101120009990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38448943.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 101120009990 in words is "one hundred one billion, one hundred twenty million, nine thousand, nine hundred ninety".