1010000121 has 16 divisors (see below), whose sum is σ = 1454578944. Its totient is φ = 619686144.

The previous prime is 1010000113. The next prime is 1010000153. The reversal of 1010000121 is 1210000101.

It is not a de Polignac number, because 1010000121 - 2³ = 1010000113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1010000111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25281 + ... + 51566.

It is an arithmetic number, because the mean of its divisors is an integer number (90911184).

Almost surely, 2^1010000121 is an apocalyptic number.

It is an amenable number.

1010000121 is a deficient number, since it is larger than the sum of its proper divisors (444578823).

1010000121 is a wasteful number, since it uses less digits than its factorization.

1010000121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77200.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1010000121 is about 31780.4990678246. The cubic root of 1010000121 is about 1003.3223236088.

Adding to 1010000121 its reverse (1210000101), we get a palindrome (2220000222).

The spelling of 1010000121 in words is "one billion, ten million, one hundred twenty-one", and thus it is an aban number.