1210121140411 has 4 divisors (see below), whose sum is σ = 1210700425000. Its totient is φ = 1209541855824.

The previous prime is 1210121140387. The next prime is 1210121140427. The reversal of 1210121140411 is 1140411210121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1210121140411 - 2¹⁹ = 1210120616123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210121140471) 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, 289639161 + ... + 289643338.

It is an arithmetic number, because the mean of its divisors is an integer number (302675106250).

Almost surely, 2^{1210121140411} is an apocalyptic number.

1210121140411 is a deficient number, since it is larger than the sum of its proper divisors (579284589).

1210121140411 is an equidigital number, since it uses as much as digits as its factorization.

1210121140411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579284588.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 1210121140411 its reverse (1140411210121), we get a palindrome (2350532350532).

The spelling of 1210121140411 in words is "one trillion, two hundred ten billion, one hundred twenty-one million, one hundred forty thousand, four hundred eleven".