101110022020 has 72 divisors (see below), whose sum is σ = 243465840576. Its totient is φ = 34552127616.

The previous prime is 101110022009. The next prime is 101110022047. The reversal of 101110022020 is 20220011101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101110021988 and 101110022006.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14064867 + ... + 14072053.

It is an arithmetic number, because the mean of its divisors is an integer number (3381470008).

Almost surely, 2^101110022020 is an apocalyptic number.

101110022020 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 101110022020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121732920288).

101110022020 is an abundant number, since it is smaller than the sum of its proper divisors (142355818556).

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

101110022020 is an equidigital number, since it uses as much as digits as its factorization.

101110022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837 (or 7518 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101110022020 its reverse (20220011101), we get a palindrome (121330033121).

The spelling of 101110022020 in words is "one hundred one billion, one hundred ten million, twenty-two thousand, twenty".