20110010111010 has 192 divisors, whose sum is σ = 55336369795200. Its totient is φ = 5052949254144.

The previous prime is 20110010110997. The next prime is 20110010111033. The reversal of 20110010111010 is 1011101001102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20110010110983 and 20110010111001.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 234769249 + ... + 234854891.

It is an arithmetic number, because the mean of its divisors is an integer number (288210259350).

Almost surely, 2^{20110010111010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20110010111010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27668184897600).

20110010111010 is an abundant number, since it is smaller than the sum of its proper divisors (35226359684190).

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

20110010111010 is a wasteful number, since it uses less digits than its factorization.

20110010111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86417 (or 86414 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 20110010111010 its reverse (1011101001102), we get a palindrome (21121111112112).

The spelling of 20110010111010 in words is "twenty trillion, one hundred ten billion, ten million, one hundred eleven thousand, ten".