10211399990 has 32 divisors (see below), whose sum is σ = 20068541856. Its totient is φ = 3710076160.

The previous prime is 10211399941. The next prime is 10211399993. The reversal of 10211399990 is 9999311201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211399993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92324 + ... + 170136.

It is an arithmetic number, because the mean of its divisors is an integer number (627141933).

Almost surely, 2^10211399990 is an apocalyptic number.

10211399990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211399990 is a deficient number, since it is larger than the sum of its proper divisors (9857141866).

10211399990 is a wasteful number, since it uses less digits than its factorization.

10211399990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79024.

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 10211399990 in words is "ten billion, two hundred eleven million, three hundred ninety-nine thousand, nine hundred ninety".