121210011002 has 8 divisors (see below), whose sum is σ = 181903583316. Its totient is φ = 60575483232.

The previous prime is 121210010953. The next prime is 121210011007. The reversal of 121210011002 is 200110012121.

121210011002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121200763321 + 9247681 = 348139^2 + 3041^2 .

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

It is a super-2 number, since 2×121210011002² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121210011007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14756003 + ... + 14764214.

Almost surely, 2^121210011002 is an apocalyptic number.

121210011002 is a deficient number, since it is larger than the sum of its proper divisors (60693572314).

121210011002 is a wasteful number, since it uses less digits than its factorization.

121210011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29522272.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121210011002 its reverse (200110012121), we get a palindrome (321320023123).

The spelling of 121210011002 in words is "one hundred twenty-one billion, two hundred ten million, eleven thousand, two".