1120002122121 has 8 divisors (see below), whose sum is σ = 1493341533984. Its totient is φ = 746665395840.

The previous prime is 1120002122111. The next prime is 1120002122179. The reversal of 1120002122121 is 1212212000211.

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

It is not a de Polignac number, because 1120002122121 - 2¹⁴ = 1120002105737 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120002122121.

It is not an unprimeable number, because it can be changed into a prime (1120002122101) 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, 704530 + ... + 1654196.

It is an arithmetic number, because the mean of its divisors is an integer number (186667691748).

Almost surely, 2^{1120002122121} is an apocalyptic number.

It is an amenable number.

1120002122121 is a deficient number, since it is larger than the sum of its proper divisors (373339411863).

1120002122121 is an equidigital number, since it uses as much as digits as its factorization.

1120002122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342791.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120002122121 its reverse (1212212000211), we get a palindrome (2332214122332).

The spelling of 1120002122121 in words is "one trillion, one hundred twenty billion, two million, one hundred twenty-two thousand, one hundred twenty-one".