121102110302002 has 4 divisors (see below), whose sum is σ = 181653165453006. Its totient is φ = 60551055151000.

The previous prime is 121102110301993. The next prime is 121102110302003. The reversal of 121102110302002 is 200203011201121.

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., 112654257604641 + 8447852697361 = 10613871^2 + 2906519^2 .

It is a super-2 number, since 2×121102110302002² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121102110302003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30275527575499 + ... + 30275527575502.

Almost surely, 2^{121102110302002} is an apocalyptic number.

121102110302002 is a deficient number, since it is larger than the sum of its proper divisors (60551055151004).

121102110302002 is an equidigital number, since it uses as much as digits as its factorization.

121102110302002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60551055151003.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121102110302002 its reverse (200203011201121), we get a palindrome (321305121503123).

The spelling of 121102110302002 in words is "one hundred twenty-one trillion, one hundred two billion, one hundred ten million, three hundred two thousand, two".