2101203000000 has 588 divisors, whose sum is σ = 8107854030640. Its totient is φ = 517190400000.

The previous prime is 2101202999983. The next prime is 2101203000059. The reversal of 2101203000000 is 3021012.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 116991021 + ... + 117008979.

Almost surely, 2^{2101203000000} is an apocalyptic number.

2101203000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2101203000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4053927015320).

2101203000000 is an abundant number, since it is smaller than the sum of its proper divisors (6006651030640).

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

2101203000000 is an equidigital number, since it uses as much as digits as its factorization.

2101203000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18020 (or 17982 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 2101203000000 its reverse (3021012), we get a palindrome (2101206021012).

The spelling of 2101203000000 in words is "two trillion, one hundred one billion, two hundred three million", and thus it is an aban number.