1122111021201 has 4 divisors (see below), whose sum is σ = 1496148028272. Its totient is φ = 748074014132.

The previous prime is 1122111021193. The next prime is 1122111021217. The reversal of 1122111021201 is 1021201112211.

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 a cyclic number.

It is not a de Polignac number, because 1122111021201 - 2³ = 1122111021193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1122111021001) 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, 187018503531 + ... + 187018503536.

It is an arithmetic number, because the mean of its divisors is an integer number (374037007068).

Almost surely, 2^{1122111021201} is an apocalyptic number.

It is an amenable number.

1122111021201 is a deficient number, since it is larger than the sum of its proper divisors (374037007071).

1122111021201 is an equidigital number, since it uses as much as digits as its factorization.

1122111021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374037007070.

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

Adding to 1122111021201 its reverse (1021201112211), we get a palindrome (2143312133412).

It can be divided in two parts, 112211 and 1021201, that multiplied together give a palindrome (114589985411).

The spelling of 1122111021201 in words is "one trillion, one hundred twenty-two billion, one hundred eleven million, twenty-one thousand, two hundred one".