101187844073 has 2 divisors, whose sum is σ = 101187844074. Its totient is φ = 101187844072.

The previous prime is 101187844013. The next prime is 101187844097. The reversal of 101187844073 is 370448781101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63268850089 + 37918993984 = 251533^2 + 194728^2 .

It is a cyclic number.

It is not a de Polignac number, because 101187844073 - 2¹⁰ = 101187843049 is a prime.

It is a super-2 number, since 2×101187844073² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101187844013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50593922036 + 50593922037.

It is an arithmetic number, because the mean of its divisors is an integer number (50593922037).

Almost surely, 2^101187844073 is an apocalyptic number.

It is an amenable number.

101187844073 is a deficient number, since it is larger than the sum of its proper divisors (1).

101187844073 is an equidigital number, since it uses as much as digits as its factorization.

101187844073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 44.

The spelling of 101187844073 in words is "one hundred one billion, one hundred eighty-seven million, eight hundred forty-four thousand, seventy-three".