201112020102 has 64 divisors (see below), whose sum is σ = 491370292224. Its totient is φ = 53621736960.

The previous prime is 201112020029. The next prime is 201112020107. The reversal of 201112020102 is 201020211102.

It is a super-5 number, since 5×201112020102⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201112020107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2499303 + ... + 2578514.

It is an arithmetic number, because the mean of its divisors is an integer number (7677660816).

Almost surely, 2^201112020102 is an apocalyptic number.

201112020102 is an abundant number, since it is smaller than the sum of its proper divisors (290258272122).

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

201112020102 is a wasteful number, since it uses less digits than its factorization.

201112020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077893.

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

Adding to 201112020102 its reverse (201020211102), we get a palindrome (402132231204).

The spelling of 201112020102 in words is "two hundred one billion, one hundred twelve million, twenty thousand, one hundred two".