201021100101210 has 16 divisors (see below), whose sum is σ = 482450640242976. Its totient is φ = 53605626693648.

The previous prime is 201021100101067. The next prime is 201021100101251. The reversal of 201021100101210 is 12101001120102.

201021100101210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 3350351668324 + ... + 3350351668383.

It is an arithmetic number, because the mean of its divisors is an integer number (30153165015186).

Almost surely, 2^{201021100101210} is an apocalyptic number.

201021100101210 is an abundant number, since it is smaller than the sum of its proper divisors (281429540141766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201021100101210 is a wasteful number, since it uses less digits than its factorization.

201021100101210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6700703336717.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201021100101210 its reverse (12101001120102), we get a palindrome (213122101221312).

The spelling of 201021100101210 in words is "two hundred one trillion, twenty-one billion, one hundred million, one hundred one thousand, two hundred ten".