101222641381 has 2 divisors, whose sum is σ = 101222641382. Its totient is φ = 101222641380.

The previous prime is 101222641339. The next prime is 101222641393. The reversal of 101222641381 is 183146222101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85386684100 + 15835957281 = 292210^2 + 125841^2 .

It is a cyclic number.

It is not a de Polignac number, because 101222641381 - 2⁷ = 101222641253 is a prime.

It is a super-2 number, since 2×101222641381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101222641301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50611320690 + 50611320691.

It is an arithmetic number, because the mean of its divisors is an integer number (50611320691).

Almost surely, 2^101222641381 is an apocalyptic number.

It is an amenable number.

101222641381 is a deficient number, since it is larger than the sum of its proper divisors (1).

101222641381 is an equidigital number, since it uses as much as digits as its factorization.

101222641381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 31.

Adding to 101222641381 its reverse (183146222101), we get a palindrome (284368863482).

The spelling of 101222641381 in words is "one hundred one billion, two hundred twenty-two million, six hundred forty-one thousand, three hundred eighty-one".