1010101252 has 12 divisors (see below), whose sum is σ = 1805287680. Its totient is φ = 494304776.

The previous prime is 1010101193. The next prime is 1010101273. The reversal of 1010101252 is 2521010101.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2686252 + ... + 2686627.

It is an arithmetic number, because the mean of its divisors is an integer number (150440640).

Almost surely, 2^1010101252 is an apocalyptic number.

It is an amenable number.

1010101252 is a deficient number, since it is larger than the sum of its proper divisors (795186428).

1010101252 is a wasteful number, since it uses less digits than its factorization.

1010101252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372930 (or 5372928 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1010101252 is about 31782.0901137732. The cubic root of 1010101252 is about 1003.3558099425.

Adding to 1010101252 its reverse (2521010101), we get a palindrome (3531111353).

It can be divided in two parts, 1010101 and 252, that multiplied together give a palindrome (254545452).

The spelling of 1010101252 in words is "one billion, ten million, one hundred one thousand, two hundred fifty-two".