201052121244 has 48 divisors (see below), whose sum is σ = 505604016288. Its totient is φ = 61813686528.

The previous prime is 201052121219. The next prime is 201052121299. The reversal of 201052121244 is 442121250102.

It is a super-2 number, since 2×201052121244² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305407 + ... + 703830.

It is an arithmetic number, because the mean of its divisors is an integer number (10533417006).

Almost surely, 2^201052121244 is an apocalyptic number.

It is an amenable number.

201052121244 is an abundant number, since it is smaller than the sum of its proper divisors (304551895044).

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

201052121244 is a wasteful number, since it uses less digits than its factorization.

201052121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010534 (or 1010532 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 201052121244 its reverse (442121250102), we get a palindrome (643173371346).

The spelling of 201052121244 in words is "two hundred one billion, fifty-two million, one hundred twenty-one thousand, two hundred forty-four".