1112021102121 has 4 divisors (see below), whose sum is σ = 1482694802832. Its totient is φ = 741347401412.

The previous prime is 1112021102111. The next prime is 1112021102131. The reversal of 1112021102121 is 1212011202111.

It is a happy number.

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 an interprime number because it is at equal distance from previous prime (1112021102111) and next prime (1112021102131).

It is a cyclic number.

It is not a de Polignac number, because 1112021102121 - 2⁶ = 1112021102057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112021102121.

It is not an unprimeable number, because it can be changed into a prime (1112021102111) 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, 185336850351 + ... + 185336850356.

It is an arithmetic number, because the mean of its divisors is an integer number (370673700708).

Almost surely, 2^{1112021102121} is an apocalyptic number.

It is an amenable number.

1112021102121 is a deficient number, since it is larger than the sum of its proper divisors (370673700711).

1112021102121 is an equidigital number, since it uses as much as digits as its factorization.

1112021102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370673700710.

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

Adding to 1112021102121 its reverse (1212011202111), we get a palindrome (2324032304232).

The spelling of 1112021102121 in words is "one trillion, one hundred twelve billion, twenty-one million, one hundred two thousand, one hundred twenty-one".