1121211210041 has 8 divisors (see below), whose sum is σ = 1208505474120. Its totient is φ = 1034066552832.

The previous prime is 1121211209977. The next prime is 1121211210043. The reversal of 1121211210041 is 1400121121211.

It can be written as a sum of positive squares in 4 ways, for example, as 7122516025 + 1114088694016 = 84395^2 + 1055504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121211210041 - 2⁶ = 1121211209977 is a prime.

It is a super-2 number, since 2×1121211210041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121211210043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37386146 + ... + 37416123.

It is an arithmetic number, because the mean of its divisors is an integer number (151063184265).

Almost surely, 2^{1121211210041} is an apocalyptic number.

It is an amenable number.

1121211210041 is a deficient number, since it is larger than the sum of its proper divisors (87294264079).

1121211210041 is a wasteful number, since it uses less digits than its factorization.

1121211210041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74803435.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1121211210041 its reverse (1400121121211), we get a palindrome (2521332331252).

The spelling of 1121211210041 in words is "one trillion, one hundred twenty-one billion, two hundred eleven million, two hundred ten thousand, forty-one".