21010466214 has 12 divisors (see below), whose sum is σ = 45522676836. Its totient is φ = 7003488732.

The previous prime is 21010466207. The next prime is 21010466221. The reversal of 21010466214 is 41266401012.

21010466214 is a `hidden beast` number, since 21 + 0 + 10 + 4 + 6 + 621 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (21010466207) and next prime (21010466221).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583624044 + ... + 583624079.

It is an arithmetic number, because the mean of its divisors is an integer number (3793556403).

Almost surely, 2^21010466214 is an apocalyptic number.

21010466214 is an abundant number, since it is smaller than the sum of its proper divisors (24512210622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21010466214 is a wasteful number, since it uses less digits than its factorization.

21010466214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167248131 (or 1167248128 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 21010466214 its reverse (41266401012), we get a palindrome (62276867226).

The spelling of 21010466214 in words is "twenty-one billion, ten million, four hundred sixty-six thousand, two hundred fourteen".