121101211002 has 8 divisors (see below), whose sum is σ = 242202422016. Its totient is φ = 40367070332.

The previous prime is 121101210949. The next prime is 121101211003. The reversal of 121101211002 is 200112101121.

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

121101211002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (121101211003) 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 in 3 ways as a sum of consecutive naturals, for example, 10091767578 + ... + 10091767589.

It is an arithmetic number, because the mean of its divisors is an integer number (30275302752).

Almost surely, 2^121101211002 is an apocalyptic number.

121101211002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121101211002 is a wasteful number, since it uses less digits than its factorization.

121101211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183535172.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121101211002 its reverse (200112101121), we get a palindrome (321213312123).

The spelling of 121101211002 in words is "one hundred twenty-one billion, one hundred one million, two hundred eleven thousand, two".