21122214063 has 16 divisors (see below), whose sum is σ = 29757953280. Its totient is φ = 13289612544.

The previous prime is 21122214053. The next prime is 21122214103. The reversal of 21122214063 is 36041222112.

It is not a de Polignac number, because 21122214063 - 2⁶ = 21122213999 is a prime.

It is a super-2 number, since 2×21122214063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122214053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689506 + ... + 719487.

It is an arithmetic number, because the mean of its divisors is an integer number (1859872080).

Almost surely, 2^21122214063 is an apocalyptic number.

21122214063 is a deficient number, since it is larger than the sum of its proper divisors (8635739217).

21122214063 is a wasteful number, since it uses less digits than its factorization.

21122214063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409278.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 21122214063 its reverse (36041222112), we get a palindrome (57163436175).

The spelling of 21122214063 in words is "twenty-one billion, one hundred twenty-two million, two hundred fourteen thousand, sixty-three".