1102201121121 has 4 divisors (see below), whose sum is σ = 1469601494832. Its totient is φ = 734800747412.

The previous prime is 1102201121107. The next prime is 1102201121209. The reversal of 1102201121121 is 1211211022011.

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 1102201121121 - 2⁹ = 1102201120609 is a prime.

It is a super-2 number, since 2×1102201121121² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1102201121121.

It is not an unprimeable number, because it can be changed into a prime (1102201121221) 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, 183700186851 + ... + 183700186856.

It is an arithmetic number, because the mean of its divisors is an integer number (367400373708).

Almost surely, 2^{1102201121121} is an apocalyptic number.

It is an amenable number.

1102201121121 is a deficient number, since it is larger than the sum of its proper divisors (367400373711).

1102201121121 is an equidigital number, since it uses as much as digits as its factorization.

1102201121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367400373710.

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

Adding to 1102201121121 its reverse (1211211022011), we get a palindrome (2313412143132).

The spelling of 1102201121121 in words is "one trillion, one hundred two billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-one".