1121121011201 has 4 divisors (see below), whose sum is σ = 1121133689904. Its totient is φ = 1121108332500.

The previous prime is 1121121011189. The next prime is 1121121011203. The reversal of 1121121011201 is 1021101211211.

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 1121121011201 - 2⁶ = 1121121011137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121121011203) 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, 6205775 + ... + 6383876.

It is an arithmetic number, because the mean of its divisors is an integer number (280283422476).

Almost surely, 2^{1121121011201} is an apocalyptic number.

It is an amenable number.

1121121011201 is a deficient number, since it is larger than the sum of its proper divisors (12678703).

1121121011201 is an equidigital number, since it uses as much as digits as its factorization.

1121121011201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678702.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1121121011201 its reverse (1021101211211), we get a palindrome (2142222222412).

The spelling of 1121121011201 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, eleven thousand, two hundred one".