2120102010010 has 64 divisors (see below), whose sum is σ = 3868722479520. Its totient is φ = 836435635200.

The previous prime is 2120102009999. The next prime is 2120102010017. The reversal of 2120102010010 is 100102010212.

It can be written as a sum of positive squares in 16 ways, for example, as 1772378328249 + 347723681761 = 1331307^2 + 589681^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2120102010017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 351647676 + ... + 351653704.

Almost surely, 2^{2120102010010} is an apocalyptic number.

2120102010010 is a deficient number, since it is larger than the sum of its proper divisors (1748620469510).

2120102010010 is a wasteful number, since it uses less digits than its factorization.

2120102010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2120102010010 its reverse (100102010212), we get a palindrome (2220204020222).

The spelling of 2120102010010 in words is "two trillion, one hundred twenty billion, one hundred two million, ten thousand, ten".