101011001012 has 6 divisors (see below), whose sum is σ = 176769251778. Its totient is φ = 50505500504.

The previous prime is 101011000999. The next prime is 101011001033. The reversal of 101011001012 is 210100110101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 83235712036 + 17775288976 = 288506^2 + 133324^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626375123 + ... + 12626375130.

It is an arithmetic number, because the mean of its divisors is an integer number (29461541963).

Almost surely, 2^101011001012 is an apocalyptic number.

It is an amenable number.

101011001012 is a deficient number, since it is larger than the sum of its proper divisors (75758250766).

101011001012 is a wasteful number, since it uses less digits than its factorization.

101011001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25252750257 (or 25252750255 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 101011001012 its reverse (210100110101), we get a palindrome (311111111113).

The spelling of 101011001012 in words is "one hundred one billion, eleven million, one thousand, twelve".