20101001111002 has 32 divisors (see below), whose sum is σ = 34910819596800. Its totient is φ = 8501823203328.

The previous prime is 20101001110919. The next prime is 20101001111027. The reversal of 20101001111002 is 20011110010102.

It is a super-3 number, since 3×20101001111002³ (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20101001111002.

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 in 15 ways as a sum of consecutive naturals, for example, 1658727 + ... + 6553882.

It is an arithmetic number, because the mean of its divisors is an integer number (1090963112400).

Almost surely, 2^{20101001111002} is an apocalyptic number.

20101001111002 is a deficient number, since it is larger than the sum of its proper divisors (14809818485798).

20101001111002 is a wasteful number, since it uses less digits than its factorization.

20101001111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8214910.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20101001111002 its reverse (20011110010102), we get a palindrome (40112111121104).

The spelling of 20101001111002 in words is "twenty trillion, one hundred one billion, one million, one hundred eleven thousand, two".