20111110001202 has 128 divisors (see below), whose sum is σ = 45555266764800. Its totient is φ = 5865131808000.

The previous prime is 20111110001153. The next prime is 20111110001209. The reversal of 20111110001202 is 20210001111102.

It is not an unprimeable number, because it can be changed into a prime (20111110001209) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 256221799 + ... + 256300277.

It is an arithmetic number, because the mean of its divisors is an integer number (355900521600).

Almost surely, 2^{20111110001202} is an apocalyptic number.

20111110001202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20111110001202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22777633382400).

20111110001202 is an abundant number, since it is smaller than the sum of its proper divisors (25444156763598).

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

20111110001202 is a wasteful number, since it uses less digits than its factorization.

20111110001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79672.

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

Adding to 20111110001202 its reverse (20210001111102), we get a palindrome (40321111112304).

The spelling of 20111110001202 in words is "twenty trillion, one hundred eleven billion, one hundred ten million, one thousand, two hundred two".