201021310152 has 144 divisors (see below), whose sum is σ = 608552006400. Its totient is φ = 59857349760.

The previous prime is 201021310109. The next prime is 201021310153. The reversal of 201021310152 is 251013120102.

201021310152 is a `hidden beast` number, since 201 + 0 + 2 + 1 + 310 + 152 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (201021310153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110749 + ... + 643667.

It is an arithmetic number, because the mean of its divisors is an integer number (4226055600).

Almost surely, 2^201021310152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201021310152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304276003200).

201021310152 is an abundant number, since it is smaller than the sum of its proper divisors (407530696248).

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

201021310152 is a wasteful number, since it uses less digits than its factorization.

201021310152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532988 (or 532968 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 201021310152 its reverse (251013120102), we get a palindrome (452034430254).

The spelling of 201021310152 in words is "two hundred one billion, twenty-one million, three hundred ten thousand, one hundred fifty-two".