2100010220120 has 64 divisors (see below), whose sum is σ = 4769838623520. Its totient is φ = 832046229504.

The previous prime is 2100010220093. The next prime is 2100010220131. The reversal of 2100010220120 is 210220100012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7072979 + ... + 7363901.

Almost surely, 2^{2100010220120} is an apocalyptic number.

2100010220120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100010220120 is an abundant number, since it is smaller than the sum of its proper divisors (2669828403400).

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

2100010220120 is a wasteful number, since it uses less digits than its factorization.

2100010220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292644 (or 292640 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2100010220120 its reverse (210220100012), we get a palindrome (2310230320132).

The spelling of 2100010220120 in words is "two trillion, one hundred billion, ten million, two hundred twenty thousand, one hundred twenty".