2201110122020 has 24 divisors (see below), whose sum is σ = 4624986315768. Its totient is φ = 879938323200.

The previous prime is 2201110121993. The next prime is 2201110122037. The reversal of 2201110122020 is 202210111022.

It can be written as a sum of positive squares in 4 ways, for example, as 31139543296 + 2169970578724 = 176464^2 + 1473082^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2201110121986 and 2201110122004.

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, 31572161 + ... + 31641800.

It is an arithmetic number, because the mean of its divisors is an integer number (192707763157).

Almost surely, 2^{2201110122020} is an apocalyptic number.

2201110122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201110122020 is an abundant number, since it is smaller than the sum of its proper divisors (2423876193748).

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

2201110122020 is a wasteful number, since it uses less digits than its factorization.

2201110122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63215711 (or 63215709 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2201110122020 its reverse (202210111022), we get a palindrome (2403320233042).

The spelling of 2201110122020 in words is "two trillion, two hundred one billion, one hundred ten million, one hundred twenty-two thousand, twenty".