1141001021121 has 32 divisors (see below), whose sum is σ = 1641134745600. Its totient is φ = 700966151424.

The previous prime is 1141001021117. The next prime is 1141001021161. The reversal of 1141001021121 is 1211201001411.

It is a happy number.

It is not a de Polignac number, because 1141001021121 - 2² = 1141001021117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1141001021121.

It is not an unprimeable number, because it can be changed into a prime (1141001021161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 137184855 + ... + 137193171.

It is an arithmetic number, because the mean of its divisors is an integer number (51285460800).

Almost surely, 2^{1141001021121} is an apocalyptic number.

It is an amenable number.

1141001021121 is a deficient number, since it is larger than the sum of its proper divisors (500133724479).

1141001021121 is a wasteful number, since it uses less digits than its factorization.

1141001021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13865.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1141001021121 its reverse (1211201001411), we get a palindrome (2352202022532).

The spelling of 1141001021121 in words is "one trillion, one hundred forty-one billion, one million, twenty-one thousand, one hundred twenty-one".