201043122 has 96 divisors (see below), whose sum is σ = 504475776. Its totient is φ = 52139520.

The previous prime is 201043097. The next prime is 201043147. The reversal of 201043122 is 221340102.

It is an interprime number because it is at equal distance from previous prime (201043097) and next prime (201043147).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686008 + ... + 686300.

It is an arithmetic number, because the mean of its divisors is an integer number (5254956).

Almost surely, 2^201043122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201043122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252237888).

201043122 is an abundant number, since it is smaller than the sum of its proper divisors (303432654).

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

201043122 is a wasteful number, since it uses less digits than its factorization.

201043122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 201043122 is about 14178.9675928821. The cubic root of 201043122 is about 585.8184875824.

Adding to 201043122 its reverse (221340102), we get a palindrome (422383224).

The spelling of 201043122 in words is "two hundred one million, forty-three thousand, one hundred twenty-two".