1120012121211 has 4 divisors (see below), whose sum is σ = 1493349494952. Its totient is φ = 746674747472.

The previous prime is 1120012121203. The next prime is 1120012121213. The reversal of 1120012121211 is 1121212100211.

It is a happy number.

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 1120012121211 - 2³ = 1120012121203 is a prime.

It is a super-2 number, since 2×1120012121211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120012121213) 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, 186668686866 + ... + 186668686871.

It is an arithmetic number, because the mean of its divisors is an integer number (373337373738).

Almost surely, 2^{1120012121211} is an apocalyptic number.

1120012121211 is a deficient number, since it is larger than the sum of its proper divisors (373337373741).

1120012121211 is an equidigital number, since it uses as much as digits as its factorization.

1120012121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373337373740.

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

Adding to 1120012121211 its reverse (1121212100211), we get a palindrome (2241224221422).

The spelling of 1120012121211 in words is "one trillion, one hundred twenty billion, twelve million, one hundred twenty-one thousand, two hundred eleven".