121100221010002 has 8 divisors (see below), whose sum is σ = 195623433939276. Its totient is φ = 55892409696912.

The previous prime is 121100221009931. The next prime is 121100221010047. The reversal of 121100221010002 is 200010122001121.

It can be written as a sum of positive squares in 2 ways, for example, as 117903352105561 + 3196868904441 = 10858331^2 + 1787979^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328850404013 + ... + 2328850404064.

Almost surely, 2^{121100221010002} is an apocalyptic number.

121100221010002 is a deficient number, since it is larger than the sum of its proper divisors (74523212929274).

121100221010002 is a wasteful number, since it uses less digits than its factorization.

121100221010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657700808092.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 121100221010002 its reverse (200010122001121), we get a palindrome (321110343011123).

The spelling of 121100221010002 in words is "one hundred twenty-one trillion, one hundred billion, two hundred twenty-one million, ten thousand, two".