10279699221 has 8 divisors (see below), whose sum is σ = 14952289824. Its totient is φ = 6230120720.

The previous prime is 10279699207. The next prime is 10279699277. The reversal of 10279699221 is 12299697201.

10279699221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10279699221 - 2¹³ = 10279691029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10279699201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155752986 + ... + 155753051.

It is an arithmetic number, because the mean of its divisors is an integer number (1869036228).

Almost surely, 2^10279699221 is an apocalyptic number.

10279699221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10279699221 is a deficient number, since it is larger than the sum of its proper divisors (4672590603).

10279699221 is a wasteful number, since it uses less digits than its factorization.

10279699221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311506051.

The product of its (nonzero) digits is 244944, while the sum is 48.

The spelling of 10279699221 in words is "ten billion, two hundred seventy-nine million, six hundred ninety-nine thousand, two hundred twenty-one".