1102121231201 has 4 divisors (see below), whose sum is σ = 1127751957552. Its totient is φ = 1076490504852.

The previous prime is 1102121231173. The next prime is 1102121231209. The reversal of 1102121231201 is 1021321212011.

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 a de Polignac number, because none of the positive numbers 2^k-1102121231201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102121231201.

It is not an unprimeable number, because it can be changed into a prime (1102121231209) 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 in 3 ways as a sum of consecutive naturals, for example, 12815363111 + ... + 12815363196.

It is an arithmetic number, because the mean of its divisors is an integer number (281937989388).

Almost surely, 2^{1102121231201} is an apocalyptic number.

It is an amenable number.

1102121231201 is a deficient number, since it is larger than the sum of its proper divisors (25630726351).

1102121231201 is an equidigital number, since it uses as much as digits as its factorization.

1102121231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25630726350.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1102121231201 its reverse (1021321212011), we get a palindrome (2123442443212).

The spelling of 1102121231201 in words is "one trillion, one hundred two billion, one hundred twenty-one million, two hundred thirty-one thousand, two hundred one".