1010515121 has 16 divisors (see below), whose sum is σ = 1303309440. Its totient is φ = 760260480.

The previous prime is 1010515117. The next prime is 1010515147. The reversal of 1010515121 is 1215150101.

It is not a de Polignac number, because 1010515121 - 2² = 1010515117 is a prime.

It is a super-2 number, since 2×1010515121² = 2042281619539289282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1010515121.

It is not an unprimeable number, because it can be changed into a prime (1010515021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224036 + ... + 228501.

It is an arithmetic number, because the mean of its divisors is an integer number (81456840).

Almost surely, 2^1010515121 is an apocalyptic number.

1010515121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1010515121 is a deficient number, since it is larger than the sum of its proper divisors (292794319).

1010515121 is a wasteful number, since it uses less digits than its factorization.

1010515121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452584.

The product of its (nonzero) digits is 50, while the sum is 17.

The square root of 1010515121 is about 31788.6004882253. The cubic root of 1010515121 is about 1003.4928262938.

Adding to 1010515121 its reverse (1215150101), we get a palindrome (2225665222).

The spelling of 1010515121 in words is "one billion, ten million, five hundred fifteen thousand, one hundred twenty-one".