1122120102021 has 4 divisors (see below), whose sum is σ = 1496160136032. Its totient is φ = 748080068012.

The previous prime is 1122120102017. The next prime is 1122120102101. The reversal of 1122120102021 is 1202010212211.

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 1122120102021 - 2² = 1122120102017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122120102011) 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, 187020017001 + ... + 187020017006.

It is an arithmetic number, because the mean of its divisors is an integer number (374040034008).

Almost surely, 2^{1122120102021} is an apocalyptic number.

It is an amenable number.

1122120102021 is a deficient number, since it is larger than the sum of its proper divisors (374040034011).

1122120102021 is an equidigital number, since it uses as much as digits as its factorization.

1122120102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374040034010.

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

Adding to 1122120102021 its reverse (1202010212211), we get a palindrome (2324130314232).

The spelling of 1122120102021 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred two thousand, twenty-one".