101012222249 has 2 divisors, whose sum is σ = 101012222250. Its totient is φ = 101012222248.

The previous prime is 101012222219. The next prime is 101012222251. The reversal of 101012222249 is 942222210101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75561763225 + 25450459024 = 274885^2 + 159532^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101012222249 is a prime.

Together with 101012222251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101012222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50506111124 + 50506111125.

It is an arithmetic number, because the mean of its divisors is an integer number (50506111125).

Almost surely, 2^101012222249 is an apocalyptic number.

It is an amenable number.

101012222249 is a deficient number, since it is larger than the sum of its proper divisors (1).

101012222249 is an equidigital number, since it uses as much as digits as its factorization.

101012222249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 101012222249 in words is "one hundred one billion, twelve million, two hundred twenty-two thousand, two hundred forty-nine".