20002211111190 has 256 divisors, whose sum is σ = 63288315740160. Its totient is φ = 3924125568000.

The previous prime is 20002211111189. The next prime is 20002211111191. The reversal of 20002211111190 is 9111111220002.

It is an interprime number because it is at equal distance from previous prime (20002211111189) and next prime (20002211111191).

It is a super-2 number, since 2×20002211111190² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002211111191) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 470350 + ... + 6342369.

It is an arithmetic number, because the mean of its divisors is an integer number (247219983360).

Almost surely, 2^{20002211111190} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002211111190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31644157870080).

20002211111190 is an abundant number, since it is smaller than the sum of its proper divisors (43286104628970).

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

20002211111190 is a wasteful number, since it uses less digits than its factorization.

20002211111190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812819.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 20002211111190 its reverse (9111111220002), we get a palindrome (29113322331192).

The spelling of 20002211111190 in words is "twenty trillion, two billion, two hundred eleven million, one hundred eleven thousand, one hundred ninety".