201201102 has 24 divisors (see below), whose sum is σ = 454890384. Its totient is φ = 64150944.

The previous prime is 201201061. The next prime is 201201109. The reversal of 201201102 is 201102102.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242583 + ... + 243410.

It is an arithmetic number, because the mean of its divisors is an integer number (18953766).

Almost surely, 2^201201102 is an apocalyptic number.

201201102 is an abundant number, since it is smaller than the sum of its proper divisors (253689282).

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

201201102 is a wasteful number, since it uses less digits than its factorization.

201201102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486024 (or 486021 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 201201102 is about 14184.5374263668. The cubic root of 201201102 is about 585.9718931022.

Adding to 201201102 its reverse (201102102), we get a palindrome (402303204).

It can be divided in two parts, 201201 and 102, that multiplied together give a palindrome (20522502).

The spelling of 201201102 in words is "two hundred one million, two hundred one thousand, one hundred two".