220110121211010 has 256 divisors, whose sum is σ = 557945117775360. Its totient is φ = 55498517544960.

The previous prime is 220110121210979. The next prime is 220110121211023. The reversal of 220110121211010 is 10112121011022.

It is a happy number.

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

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, 3080452444 + ... + 3080523896.

It is an arithmetic number, because the mean of its divisors is an integer number (2179473116310).

Almost surely, 2^{220110121211010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220110121211010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278972558887680).

220110121211010 is an abundant number, since it is smaller than the sum of its proper divisors (337834996564350).

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

220110121211010 is a wasteful number, since it uses less digits than its factorization.

220110121211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71973.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220110121211010 its reverse (10112121011022), we get a palindrome (230222242222032).

The spelling of 220110121211010 in words is "two hundred twenty trillion, one hundred ten billion, one hundred twenty-one million, two hundred eleven thousand, ten".