2121010110202 has 8 divisors (see below), whose sum is σ = 3181527083700. Its totient is φ = 1060501082304.

The previous prime is 2121010110181. The next prime is 2121010110253. The reversal of 2121010110202 is 2020110101212.

It can be written as a sum of positive squares in 2 ways, for example, as 1788935675121 + 332074435081 = 1337511^2 + 576259^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1266927 + ... + 2418082.

Almost surely, 2^{2121010110202} is an apocalyptic number.

2121010110202 is a deficient number, since it is larger than the sum of its proper divisors (1060516973498).

2121010110202 is a wasteful number, since it uses less digits than its factorization.

2121010110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3972800.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121010110202 its reverse (2020110101212), we get a palindrome (4141120211414).

The spelling of 2121010110202 in words is "two trillion, one hundred twenty-one billion, ten million, one hundred ten thousand, two hundred two".