1120202012121 has 4 divisors (see below), whose sum is σ = 1493602682832. Its totient is φ = 746801341412.

The previous prime is 1120202012093. The next prime is 1120202012129. The reversal of 1120202012121 is 1212102020211.

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.

It is a cyclic number.

It is not a de Polignac number, because 1120202012121 - 2⁶ = 1120202012057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1120202012121.

It is not an unprimeable number, because it can be changed into a prime (1120202012129) 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, 186700335351 + ... + 186700335356.

It is an arithmetic number, because the mean of its divisors is an integer number (373400670708).

Almost surely, 2^{1120202012121} is an apocalyptic number.

It is an amenable number.

1120202012121 is a deficient number, since it is larger than the sum of its proper divisors (373400670711).

1120202012121 is an equidigital number, since it uses as much as digits as its factorization.

1120202012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373400670710.

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

Adding to 1120202012121 its reverse (1212102020211), we get a palindrome (2332304032332).

The spelling of 1120202012121 in words is "one trillion, one hundred twenty billion, two hundred two million, twelve thousand, one hundred twenty-one".