1211140441124 has 6 divisors (see below), whose sum is σ = 2119495771974. Its totient is φ = 605570220560.

The previous prime is 1211140441087. The next prime is 1211140441139. The reversal of 1211140441124 is 4211440411121.

It can be written as a sum of positive squares in only one way, i.e., 1057672378624 + 153468062500 = 1028432^2 + 391750^2 .

It is a super-2 number, since 2×1211140441124² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211140441093 and 1211140441102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151392555137 + ... + 151392555144.

It is an arithmetic number, because the mean of its divisors is an integer number (353249295329).

Almost surely, 2^{1211140441124} is an apocalyptic number.

It is an amenable number.

1211140441124 is a deficient number, since it is larger than the sum of its proper divisors (908355330850).

1211140441124 is a wasteful number, since it uses less digits than its factorization.

1211140441124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302785110285 (or 302785110283 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 1211140441124 its reverse (4211440411121), we get a palindrome (5422580852245).

The spelling of 1211140441124 in words is "one trillion, two hundred eleven billion, one hundred forty million, four hundred forty-one thousand, one hundred twenty-four".