21010088270 has 8 divisors (see below), whose sum is σ = 37818158904. Its totient is φ = 8404035304.

The previous prime is 21010088249. The next prime is 21010088291. The reversal of 21010088270 is 7288001012.

It is an interprime number because it is at equal distance from previous prime (21010088249) and next prime (21010088291).

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

It is a super-2 number, since 2×21010088270² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050504404 + ... + 1050504423.

It is an arithmetic number, because the mean of its divisors is an integer number (4727269863).

Almost surely, 2^21010088270 is an apocalyptic number.

21010088270 is a deficient number, since it is larger than the sum of its proper divisors (16808070634).

21010088270 is a wasteful number, since it uses less digits than its factorization.

21010088270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101008834.

The product of its (nonzero) digits is 1792, while the sum is 29.

Adding to 21010088270 its reverse (7288001012), we get a palindrome (28298089282).

The spelling of 21010088270 in words is "twenty-one billion, ten million, eighty-eight thousand, two hundred seventy".