11002001012 has 6 divisors (see below), whose sum is σ = 19253501778. Its totient is φ = 5501000504.

The previous prime is 11002001011. The next prime is 11002001041. The reversal of 11002001012 is 21010020011.

It can be written as a sum of positive squares in only one way, i.e., 10994361316 + 7639696 = 104854^2 + 2764^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002001011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375250123 + ... + 1375250130.

It is an arithmetic number, because the mean of its divisors is an integer number (3208916963).

Almost surely, 2^11002001012 is an apocalyptic number.

It is an amenable number.

11002001012 is a deficient number, since it is larger than the sum of its proper divisors (8251500766).

11002001012 is a wasteful number, since it uses less digits than its factorization.

11002001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750500257 (or 2750500255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11002001012 its reverse (21010020011), we get a palindrome (32012021023).

The spelling of 11002001012 in words is "eleven billion, two million, one thousand, twelve".