2001110022120 has 64 divisors (see below), whose sum is σ = 6549087349440. Its totient is φ = 485117580800.

The previous prime is 2001110022113. The next prime is 2001110022151. The reversal of 2001110022120 is 212200111002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2001110022096 and 2001110022105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757994901 + ... + 757997540.

It is an arithmetic number, because the mean of its divisors is an integer number (102329489835).

Almost surely, 2^{2001110022120} is an apocalyptic number.

2001110022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001110022120 is an abundant number, since it is smaller than the sum of its proper divisors (4547977327320).

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

2001110022120 is a wasteful number, since it uses less digits than its factorization.

2001110022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515992466 (or 1515992462 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001110022120 its reverse (212200111002), we get a palindrome (2213310133122).

The spelling of 2001110022120 in words is "two trillion, one billion, one hundred ten million, twenty-two thousand, one hundred twenty".