201001212201010 has 32 divisors (see below), whose sum is σ = 391039736864112. Its totient is φ = 73947904992000.

The previous prime is 201001212200959. The next prime is 201001212201079. The reversal of 201001212201010 is 10102212100102.

It can be written as a sum of positive squares in 8 ways, for example, as 831997555321 + 200169214645689 = 912139^2 + 14148117^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2790872241 + ... + 2790944260.

Almost surely, 2^{201001212201010} is an apocalyptic number.

201001212201010 is a deficient number, since it is larger than the sum of its proper divisors (190038524663102).

201001212201010 is a wasteful number, since it uses less digits than its factorization.

201001212201010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581816798.

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

Adding to 201001212201010 its reverse (10102212100102), we get a palindrome (211103424301112).

The spelling of 201001212201010 in words is "two hundred one trillion, one billion, two hundred twelve million, two hundred one thousand, ten".