201021021102010 has 8 divisors (see below), whose sum is σ = 361837837983636. Its totient is φ = 80408408440800.

The previous prime is 201021021101981. The next prime is 201021021102053. The reversal of 201021021102010 is 10201120120102.

It can be written as a sum of positive squares in 2 ways, for example, as 177649472047441 + 23371549054569 = 13328521^2 + 4834413^2 .

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

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, 10051051055091 + ... + 10051051055110.

Almost surely, 2^{201021021102010} is an apocalyptic number.

201021021102010 is a deficient number, since it is larger than the sum of its proper divisors (160816816881626).

201021021102010 is a wasteful number, since it uses less digits than its factorization.

201021021102010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102102110208.

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

Adding to 201021021102010 its reverse (10201120120102), we get a palindrome (211222141222112).

The spelling of 201021021102010 in words is "two hundred one trillion, twenty-one billion, twenty-one million, one hundred two thousand, ten".