201101212121010 has 16 divisors (see below), whose sum is σ = 482642909090496. Its totient is φ = 53626989898928.

The previous prime is 201101212120951. The next prime is 201101212121023. The reversal of 201101212121010 is 10121212101102.

It is a happy number.

201101212121010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 7 ways as a sum of consecutive naturals, for example, 3351686868654 + ... + 3351686868713.

It is an arithmetic number, because the mean of its divisors is an integer number (30165181818156).

Almost surely, 2^{201101212121010} is an apocalyptic number.

201101212121010 is an abundant number, since it is smaller than the sum of its proper divisors (281541696969486).

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

201101212121010 is a wasteful number, since it uses less digits than its factorization.

201101212121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703373737377.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201101212121010 its reverse (10121212101102), we get a palindrome (211222424222112).

The spelling of 201101212121010 in words is "two hundred one trillion, one hundred one billion, two hundred twelve million, one hundred twenty-one thousand, ten".