2101203023120 has 40 divisors (see below), whose sum is σ = 4887803957400. Its totient is φ = 840049909760.

The previous prime is 2101203023107. The next prime is 2101203023149. The reversal of 2101203023120 is 213203021012.

It can be written as a sum of positive squares in 4 ways, for example, as 51403772176 + 2049799250944 = 226724^2 + 1431712^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 6582161 + ... + 6894000.

It is an arithmetic number, because the mean of its divisors is an integer number (122195098935).

Almost surely, 2^{2101203023120} is an apocalyptic number.

2101203023120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2101203023120 is an abundant number, since it is smaller than the sum of its proper divisors (2786600934280).

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

2101203023120 is a wasteful number, since it uses less digits than its factorization.

2101203023120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13478123 (or 13478117 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2101203023120 its reverse (213203021012), we get a palindrome (2314406044132).

The spelling of 2101203023120 in words is "two trillion, one hundred one billion, two hundred three million, twenty-three thousand, one hundred twenty".