201022021212102 has 48 divisors (see below), whose sum is σ = 444736850847120. Its totient is φ = 65607026962176.

The previous prime is 201022021212053. The next prime is 201022021212107. The reversal of 201022021212102 is 201212120220102.

It is a happy number.

201022021212102 is a `hidden beast` number, since 20 + 1 + 0 + 220 + 212 + 1 + 210 + 2 = 666.

201022021212102 is digitally balanced in base 2, 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201022021212107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 558158652 + ... + 558518687.

It is an arithmetic number, because the mean of its divisors is an integer number (9265351059315).

Almost surely, 2^{201022021212102} is an apocalyptic number.

201022021212102 is an abundant number, since it is smaller than the sum of its proper divisors (243714829635018).

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

201022021212102 is a wasteful number, since it uses less digits than its factorization.

201022021212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116677557 (or 1116677554 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201022021212102 its reverse (201212120220102), we get a palindrome (402234141432204).

The spelling of 201022021212102 in words is "two hundred one trillion, twenty-two billion, twenty-one million, two hundred twelve thousand, one hundred two".