10001011012 has 6 divisors (see below), whose sum is σ = 17501769278. Its totient is φ = 5000505504.

The previous prime is 10001011001. The next prime is 10001011037. The reversal of 10001011012 is 21011010001.

It can be written as a sum of positive squares in only one way, i.e., 9554280516 + 446730496 = 97746^2 + 21136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10001010986 and 10001011004.

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 as a sum of consecutive naturals, namely, 1250126373 + ... + 1250126380.

Almost surely, 2^10001011012 is an apocalyptic number.

It is an amenable number.

10001011012 is a deficient number, since it is larger than the sum of its proper divisors (7500758266).

10001011012 is a wasteful number, since it uses less digits than its factorization.

10001011012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500252757 (or 2500252755 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10001011012 its reverse (21011010001), we get a palindrome (31012021013).

The spelling of 10001011012 in words is "ten billion, one million, eleven thousand, twelve".