101022121147 has 2 divisors, whose sum is σ = 101022121148. Its totient is φ = 101022121146.

The previous prime is 101022121091. The next prime is 101022121169. The reversal of 101022121147 is 741121220101.

It is a happy number.

It is an a-pointer prime, because the next prime (101022121169) can be obtained adding 101022121147 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101022121147 - 2²⁷ = 100887903419 is a prime.

It is a super-2 number, since 2×101022121147² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101022121247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50511060573 + 50511060574.

It is an arithmetic number, because the mean of its divisors is an integer number (50511060574).

Almost surely, 2^101022121147 is an apocalyptic number.

101022121147 is a deficient number, since it is larger than the sum of its proper divisors (1).

101022121147 is an equidigital number, since it uses as much as digits as its factorization.

101022121147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 101022121147 its reverse (741121220101), we get a palindrome (842143341248).

The spelling of 101022121147 in words is "one hundred one billion, twenty-two million, one hundred twenty-one thousand, one hundred forty-seven".