10021220215627 has 2 divisors, whose sum is σ = 10021220215628. Its totient is φ = 10021220215626.

The previous prime is 10021220215621. The next prime is 10021220215667. The reversal of 10021220215627 is 72651202212001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10021220215627 is a prime.

It is a super-2 number, since 2×10021220215627² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10021220215621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5010610107813 + 5010610107814.

It is an arithmetic number, because the mean of its divisors is an integer number (5010610107814).

Almost surely, 2^{10021220215627} is an apocalyptic number.

10021220215627 is a deficient number, since it is larger than the sum of its proper divisors (1).

10021220215627 is an equidigital number, since it uses as much as digits as its factorization.

10021220215627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 10021220215627 its reverse (72651202212001), we get a palindrome (82672422427628).

The spelling of 10021220215627 in words is "ten trillion, twenty-one billion, two hundred twenty million, two hundred fifteen thousand, six hundred twenty-seven".