101110021122220 has 96 divisors (see below), whose sum is σ = 232214707851840. Its totient is φ = 36675094671360.

The previous prime is 101110021122203. The next prime is 101110021122233. The reversal of 101110021122220 is 22221120011101.

It is a junction number, because it is equal to n+sod(n) for n = 101110021122194 and 101110021122203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225452624 + ... + 2225498056.

It is an arithmetic number, because the mean of its divisors is an integer number (2418903206790).

Almost surely, 2^{101110021122220} is an apocalyptic number.

101110021122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101110021122220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116107353925920).

101110021122220 is an abundant number, since it is smaller than the sum of its proper divisors (131104686729620).

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

101110021122220 is a wasteful number, since it uses less digits than its factorization.

101110021122220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70595 (or 70593 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 101110021122220 its reverse (22221120011101), we get a palindrome (123331141133321).

The spelling of 101110021122220 in words is "one hundred one trillion, one hundred ten billion, twenty-one million, one hundred twenty-two thousand, two hundred twenty".