2121342010202 has 8 divisors (see below), whose sum is σ = 3182025011412. Its totient is φ = 1060667006400.

The previous prime is 2121342010163. The next prime is 2121342010217. The reversal of 2121342010202 is 2020102431212.

It can be written as a sum of positive squares in 2 ways, for example, as 1654004338561 + 467337671641 = 1286081^2 + 683621^2 .

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, 1285199 + ... + 2427842.

Almost surely, 2^{2121342010202} is an apocalyptic number.

2121342010202 is a deficient number, since it is larger than the sum of its proper divisors (1060683001210).

2121342010202 is a wasteful number, since it uses less digits than its factorization.

2121342010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998704.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2121342010202 its reverse (2020102431212), we get a palindrome (4141444441414).

The spelling of 2121342010202 in words is "two trillion, one hundred twenty-one billion, three hundred forty-two million, ten thousand, two hundred two".