141111321221 has 16 divisors (see below), whose sum is σ = 153307029120. Its totient is φ = 129111744960.

The previous prime is 141111321161. The next prime is 141111321229. The reversal of 141111321221 is 122123111141.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 141111321221 - 2²² = 141107126917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141111321193 and 141111321202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141111321229) 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, 649640 + ... + 839198.

It is an arithmetic number, because the mean of its divisors is an integer number (9581689320).

Almost surely, 2^141111321221 is an apocalyptic number.

It is an amenable number.

141111321221 is a deficient number, since it is larger than the sum of its proper divisors (12195707899).

141111321221 is a wasteful number, since it uses less digits than its factorization.

141111321221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190076.

The product of its digits is 96, while the sum is 20.

Adding to 141111321221 its reverse (122123111141), we get a palindrome (263234432362).

The spelling of 141111321221 in words is "one hundred forty-one billion, one hundred eleven million, three hundred twenty-one thousand, two hundred twenty-one".