7411111021121 has 4 divisors (see below), whose sum is σ = 7411118155200. Its totient is φ = 7411103887044.

The previous prime is 7411111021099. The next prime is 7411111021147. The reversal of 7411111021121 is 1211201111147.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 7411111021121 - 2⁴² = 3013064510017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7411111021421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1673861 + ... + 4198098.

It is an arithmetic number, because the mean of its divisors is an integer number (1852779538800).

Almost surely, 2^{7411111021121} is an apocalyptic number.

It is an amenable number.

7411111021121 is a deficient number, since it is larger than the sum of its proper divisors (7134079).

7411111021121 is a wasteful number, since it uses less digits than its factorization.

7411111021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134078.

The product of its (nonzero) digits is 112, while the sum is 23.

Adding to 7411111021121 its reverse (1211201111147), we get a palindrome (8622312132268).

The spelling of 7411111021121 in words is "seven trillion, four hundred eleven billion, one hundred eleven million, twenty-one thousand, one hundred twenty-one".