1103111121202 has 4 divisors (see below), whose sum is σ = 1654666681806. Its totient is φ = 551555560600.

The previous prime is 1103111121199. The next prime is 1103111121209. The reversal of 1103111121202 is 2021211113011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1043419347441 + 59691773761 = 1021479^2 + 244319^2 .

It is not an unprimeable number, because it can be changed into a prime (1103111121209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275777780299 + ... + 275777780302.

Almost surely, 2^{1103111121202} is an apocalyptic number.

1103111121202 is a deficient number, since it is larger than the sum of its proper divisors (551555560604).

1103111121202 is an equidigital number, since it uses as much as digits as its factorization.

1103111121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551555560603.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1103111121202 its reverse (2021211113011), we get a palindrome (3124322234213).

The spelling of 1103111121202 in words is "one trillion, one hundred three billion, one hundred eleven million, one hundred twenty-one thousand, two hundred two".