2102100121202 has 8 divisors (see below), whose sum is σ = 3338629604316. Its totient is φ = 989223586432.

The previous prime is 2102100121201. The next prime is 2102100121211. The reversal of 2102100121202 is 2021210012012.

It can be written as a sum of positive squares in 2 ways, for example, as 1639426720801 + 462673400401 = 1280401^2 + 680201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2102100121201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30913237043 + ... + 30913237110.

Almost surely, 2^{2102100121202} is an apocalyptic number.

2102100121202 is a deficient number, since it is larger than the sum of its proper divisors (1236529483114).

2102100121202 is a wasteful number, since it uses less digits than its factorization.

2102100121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61826474172.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2102100121202 its reverse (2021210012012), we get a palindrome (4123310133214).

The spelling of 2102100121202 in words is "two trillion, one hundred two billion, one hundred million, one hundred twenty-one thousand, two hundred two".