210101121210202 has 8 divisors (see below), whose sum is σ = 315151830839700. Its totient is φ = 105050510930304.

The previous prime is 210101121210199. The next prime is 210101121210221. The reversal of 210101121210202 is 202012121101012.

It can be written as a sum of positive squares in 2 ways, for example, as 202089509840761 + 8011611369441 = 14215819^2 + 2830479^2 .

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

It is a super-2 number, since 2×210101121210202² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19303927 + ... + 28157482.

Almost surely, 2^{210101121210202} is an apocalyptic number.

210101121210202 is a deficient number, since it is larger than the sum of its proper divisors (105050709629498).

210101121210202 is a wasteful number, since it uses less digits than its factorization.

210101121210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49674800.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210101121210202 its reverse (202012121101012), we get a palindrome (412113242311214).

The spelling of 210101121210202 in words is "two hundred ten trillion, one hundred one billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".