2120100211020 has 96 divisors (see below), whose sum is σ = 6503038940160. Its totient is φ = 511813173760.

The previous prime is 2120100210901. The next prime is 2120100211069. The reversal of 2120100211020 is 201120010212.

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 = 2120100210987 and 2120100211005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6562497 + ... + 6877976.

It is an arithmetic number, because the mean of its divisors is an integer number (67739988960).

Almost surely, 2^{2120100211020} is an apocalyptic number.

2120100211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120100211020 is an abundant number, since it is smaller than the sum of its proper divisors (4382938729140).

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

2120100211020 is a wasteful number, since it uses less digits than its factorization.

2120100211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440735 (or 13440733 counting only the distinct ones).

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

Adding to 2120100211020 its reverse (201120010212), we get a palindrome (2321220221232).

The spelling of 2120100211020 in words is "two trillion, one hundred twenty billion, one hundred million, two hundred eleven thousand, twenty".