101221246141 has 4 divisors (see below), whose sum is σ = 101865967612. Its totient is φ = 100576524672.

The previous prime is 101221246127. The next prime is 101221246157. The reversal of 101221246141 is 141642122101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 65858443641 + 35362802500 = 256629^2 + 188050^2 .

It is a cyclic number.

It is not a de Polignac number, because 101221246141 - 2¹⁷ = 101221115069 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 (101221246111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322360500 + ... + 322360813.

It is an arithmetic number, because the mean of its divisors is an integer number (25466491903).

Almost surely, 2^101221246141 is an apocalyptic number.

It is an amenable number.

101221246141 is a deficient number, since it is larger than the sum of its proper divisors (644721471).

101221246141 is an equidigital number, since it uses as much as digits as its factorization.

101221246141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644721470.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 101221246141 its reverse (141642122101), we get a palindrome (242863368242).

The spelling of 101221246141 in words is "one hundred one billion, two hundred twenty-one million, two hundred forty-six thousand, one hundred forty-one".