1102121022202 has 4 divisors (see below), whose sum is σ = 1653181533306. Its totient is φ = 551060511100.

The previous prime is 1102121022173. The next prime is 1102121022203. The reversal of 1102121022202 is 2022201212011.

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., 603276870681 + 498844151521 = 776709^2 + 706289^2 .

It is not an unprimeable number, because it can be changed into a prime (1102121022203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275530255549 + ... + 275530255552.

Almost surely, 2^{1102121022202} is an apocalyptic number.

1102121022202 is a deficient number, since it is larger than the sum of its proper divisors (551060511104).

1102121022202 is an equidigital number, since it uses as much as digits as its factorization.

1102121022202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551060511103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1102121022202 its reverse (2022201212011), we get a palindrome (3124322234213).

The spelling of 1102121022202 in words is "one trillion, one hundred two billion, one hundred twenty-one million, twenty-two thousand, two hundred two".