20111120002 has 32 divisors (see below), whose sum is σ = 31128136704. Its totient is φ = 9738883200.

The previous prime is 20111119993. The next prime is 20111120027. The reversal of 20111120002 is 20002111102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10069668 + ... + 10071664.

It is an arithmetic number, because the mean of its divisors is an integer number (972754272).

Almost surely, 2^20111120002 is an apocalyptic number.

20111120002 is a deficient number, since it is larger than the sum of its proper divisors (11017016702).

20111120002 is a wasteful number, since it uses less digits than its factorization.

20111120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2874.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20111120002 its reverse (20002111102), we get a palindrome (40113231104).

The spelling of 20111120002 in words is "twenty billion, one hundred eleven million, one hundred twenty thousand, two".