110102001020 has 24 divisors (see below), whose sum is σ = 252233675568. Its totient is φ = 40037091200.

The previous prime is 110102000963. The next prime is 110102001071. The reversal of 110102001020 is 20100201011.

It is a junction number, because it is equal to n+sod(n) for n = 110102000989 and 110102001007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250231601 + ... + 250232040.

It is an arithmetic number, because the mean of its divisors is an integer number (10509736482).

Almost surely, 2^110102001020 is an apocalyptic number.

110102001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110102001020 is an abundant number, since it is smaller than the sum of its proper divisors (142131674548).

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

110102001020 is a wasteful number, since it uses less digits than its factorization.

110102001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500463661 (or 500463659 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 110102001020 its reverse (20100201011), we get a palindrome (130202202031).

Subtracting from 110102001020 its reverse (20100201011), we obtain a square (90001800009 = 300003²).

The spelling of 110102001020 in words is "one hundred ten billion, one hundred two million, one thousand, twenty".