2001102124 has 12 divisors (see below), whose sum is σ = 4002204304. Its totient is φ = 857615184.

The previous prime is 2001102121. The next prime is 2001102157. The reversal of 2001102124 is 4212011002.

It is a happy number.

2001102124 is an admirable number.

It is a super-2 number, since 2×2001102124² = 8008819421354622752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2001102121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35733939 + ... + 35733994.

Almost surely, 2^2001102124 is an apocalyptic number.

It is an amenable number.

2001102124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2001102124 is a wasteful number, since it uses less digits than its factorization.

2001102124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71467944 (or 71467942 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2001102124 is about 44733.6799738184. The cubic root of 2001102124 is about 1260.1524389347.

Adding to 2001102124 its reverse (4212011002), we get a palindrome (6213113126).

The spelling of 2001102124 in words is "two billion, one million, one hundred two thousand, one hundred twenty-four".