20002122211110 has 256 divisors, whose sum is σ = 52360622899200. Its totient is φ = 4860933742080.

The previous prime is 20002122211003. The next prime is 20002122211121. The reversal of 20002122211110 is 1111222120002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20002122211110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9529356841 + ... + 9529358939.

It is an arithmetic number, because the mean of its divisors is an integer number (204533683200).

Almost surely, 2^{20002122211110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20002122211110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26180311449600).

20002122211110 is an abundant number, since it is smaller than the sum of its proper divisors (32358500688090).

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

20002122211110 is a wasteful number, since it uses less digits than its factorization.

20002122211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20002122211110 its reverse (1111222120002), we get a palindrome (21113344331112).

The spelling of 20002122211110 in words is "twenty trillion, two billion, one hundred twenty-two million, two hundred eleven thousand, one hundred ten".