101993207 has 2 divisors, whose sum is σ = 101993208. Its totient is φ = 101993206.

The previous prime is 101993189. The next prime is 101993209. The reversal of 101993207 is 702399101.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (702399101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101993207 - 2⁸ = 101992951 is a prime.

It is a super-2 number, since 2×101993207² = 20805228548289698, which contains 22 as substring.

Together with 101993209, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101993209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50996603 + 50996604.

It is an arithmetic number, because the mean of its divisors is an integer number (50996604).

Almost surely, 2^101993207 is an apocalyptic number.

101993207 is a deficient number, since it is larger than the sum of its proper divisors (1).

101993207 is an equidigital number, since it uses as much as digits as its factorization.

101993207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 101993207 is about 10099.1686291496. The cubic root of 101993207 is about 467.2225003409. Note that the first 3 decimals are identical.

The spelling of 101993207 in words is "one hundred one million, nine hundred ninety-three thousand, two hundred seven".