201120012102 has 16 divisors (see below), whose sum is σ = 407331671040. Its totient is φ = 66191396232.

The previous prime is 201120012091. The next prime is 201120012103. The reversal of 201120012102 is 201210021102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201120012103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212151438 + ... + 212152385.

It is an arithmetic number, because the mean of its divisors is an integer number (25458229440).

Almost surely, 2^201120012102 is an apocalyptic number.

201120012102 is an abundant number, since it is smaller than the sum of its proper divisors (206211658938).

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

201120012102 is a wasteful number, since it uses less digits than its factorization.

201120012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424303907.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201120012102 its reverse (201210021102), we get a palindrome (402330033204).

The spelling of 201120012102 in words is "two hundred one billion, one hundred twenty million, twelve thousand, one hundred two".