201011010101210 has 16 divisors (see below), whose sum is σ = 361820022266016. Its totient is φ = 80404358688528.

The previous prime is 201011010101177. The next prime is 201011010101249. The reversal of 201011010101210 is 12101010110102.

It is a junction number, because it is equal to n+sod(n) for n = 201011010101191 and 201011010101200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17427257 + ... + 26565603.

It is an arithmetic number, because the mean of its divisors is an integer number (22613751391626).

Almost surely, 2^{201011010101210} is an apocalyptic number.

201011010101210 is a deficient number, since it is larger than the sum of its proper divisors (160809012164806).

201011010101210 is a wasteful number, since it uses less digits than its factorization.

201011010101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11337997.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 201011010101210 its reverse (12101010110102), we get a palindrome (213112020211312).

The spelling of 201011010101210 in words is "two hundred one trillion, eleven billion, ten million, one hundred one thousand, two hundred ten".