101221214063 has 4 divisors (see below), whose sum is σ = 102731978520. Its totient is φ = 99710449608.

The previous prime is 101221214051. The next prime is 101221214077. The reversal of 101221214063 is 360412122101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360412122101 = 44203 ⋅8153567.

It is a cyclic number.

It is not a de Polignac number, because 101221214063 - 2¹² = 101221209967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101221294063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755382128 + ... + 755382261.

It is an arithmetic number, because the mean of its divisors is an integer number (25682994630).

Almost surely, 2^101221214063 is an apocalyptic number.

101221214063 is a deficient number, since it is larger than the sum of its proper divisors (1510764457).

101221214063 is an equidigital number, since it uses as much as digits as its factorization.

101221214063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510764456.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 101221214063 its reverse (360412122101), we get a palindrome (461633336164).

The spelling of 101221214063 in words is "one hundred one billion, two hundred twenty-one million, two hundred fourteen thousand, sixty-three".