20111101120002 has 16 divisors (see below), whose sum is σ = 40903934482080. Its totient is φ = 6590078332992.

The previous prime is 20111101120001. The next prime is 20111101120027. The reversal of 20111101120002 is 20002110111102.

It is a self number, because there is not a number n which added to its sum of digits gives 20111101120002.

It is not an unprimeable number, because it can be changed into a prime (20111101120001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 28405509703 + ... + 28405510410.

It is an arithmetic number, because the mean of its divisors is an integer number (2556495905130).

Almost surely, 2^{20111101120002} is an apocalyptic number.

20111101120002 is an abundant number, since it is smaller than the sum of its proper divisors (20792833362078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20111101120002 is a wasteful number, since it uses less digits than its factorization.

20111101120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56811020177.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20111101120002 its reverse (20002110111102), we get a palindrome (40113211231104).

The spelling of 20111101120002 in words is "twenty trillion, one hundred eleven billion, one hundred one million, one hundred twenty thousand, two".