141021013121 has 16 divisors (see below), whose sum is σ = 153373021776. Its totient is φ = 129120731136.

The previous prime is 141021013103. The next prime is 141021013127. The reversal of 141021013121 is 121310120141.

It can be written as a sum of positive squares in 8 ways, for example, as 2070250000 + 138950763121 = 45500^2 + 372761^2 .

It is a cyclic number.

It is not a de Polignac number, because 141021013121 - 2⁶ = 141021013057 is a prime.

It is a super-2 number, since 2×141021013121² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141021013121.

It is not an unprimeable number, because it can be changed into a prime (141021013127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7398215 + ... + 7417251.

It is an arithmetic number, because the mean of its divisors is an integer number (9585813861).

Almost surely, 2^141021013121 is an apocalyptic number.

It is an amenable number.

141021013121 is a deficient number, since it is larger than the sum of its proper divisors (12352008655).

141021013121 is a wasteful number, since it uses less digits than its factorization.

141021013121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30868.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 141021013121 its reverse (121310120141), we get a palindrome (262331133262).

The spelling of 141021013121 in words is "one hundred forty-one billion, twenty-one million, thirteen thousand, one hundred twenty-one".