20111102001010 has 16 divisors (see below), whose sum is σ = 36239720153472. Its totient is φ = 8035610455600.

The previous prime is 20111102000971. The next prime is 20111102001019. The reversal of 20111102001010 is 1010020111102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20111102001019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103783536 + ... + 1103801755.

It is an arithmetic number, because the mean of its divisors is an integer number (2264982509592).

Almost surely, 2^{20111102001010} is an apocalyptic number.

20111102001010 is a deficient number, since it is larger than the sum of its proper divisors (16128618152462).

20111102001010 is a wasteful number, since it uses less digits than its factorization.

20111102001010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207586209.

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

Adding to 20111102001010 its reverse (1010020111102), we get a palindrome (21121122112112).

The spelling of 20111102001010 in words is "twenty trillion, one hundred eleven billion, one hundred two million, one thousand, ten".