101000001049 has 2 divisors, whose sum is σ = 101000001050. Its totient is φ = 101000001048.

The previous prime is 101000001043. The next prime is 101000001077. The reversal of 101000001049 is 940100000101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70817193225 + 30182807824 = 266115^2 + 173732^2 .

It is a cyclic number.

It is not a de Polignac number, because 101000001049 - 2¹³ = 100999992857 is a prime.

It is a super-2 number, since 2×101000001049² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101000001043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500000524 + 50500000525.

It is an arithmetic number, because the mean of its divisors is an integer number (50500000525).

Almost surely, 2^101000001049 is an apocalyptic number.

It is an amenable number.

101000001049 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000001049 is an equidigital number, since it uses as much as digits as its factorization.

101000001049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 101000001049 in words is "one hundred one billion, one thousand, forty-nine".