10621420227 has 12 divisors (see below), whose sum is σ = 16736783544. Its totient is φ = 6437224320.

The previous prime is 10621420219. The next prime is 10621420231. The reversal of 10621420227 is 72202412601.

10621420227 is a `hidden beast` number, since 10 + 6 + 2 + 1 + 420 + 227 = 666.

It is not a de Polignac number, because 10621420227 - 2³ = 10621420219 is a prime.

It is a super-2 number, since 2×10621420227² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10621420227.

It is not an unprimeable number, because it can be changed into a prime (10621420297) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53643438 + ... + 53643635.

It is an arithmetic number, because the mean of its divisors is an integer number (1394731962).

Almost surely, 2^10621420227 is an apocalyptic number.

10621420227 is a deficient number, since it is larger than the sum of its proper divisors (6115363317).

10621420227 is a wasteful number, since it uses less digits than its factorization.

10621420227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107287090 (or 107287087 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

Adding to 10621420227 its reverse (72202412601), we get a palindrome (82823832828).

The spelling of 10621420227 in words is "ten billion, six hundred twenty-one million, four hundred twenty thousand, two hundred twenty-seven".