121002011110102 has 8 divisors (see below), whose sum is σ = 181503220010112. Its totient is φ = 60500937773400.

The previous prime is 121002011110073. The next prime is 121002011110103. The reversal of 121002011110102 is 201011110200121.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002011110103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31629174 + ... + 35247817.

It is an arithmetic number, because the mean of its divisors is an integer number (22687902501264).

Almost surely, 2^{121002011110102} is an apocalyptic number.

121002011110102 is a deficient number, since it is larger than the sum of its proper divisors (60501208900010).

121002011110102 is an equidigital number, since it uses as much as digits as its factorization.

121002011110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67781654.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121002011110102 its reverse (201011110200121), we get a palindrome (322013121310223).

The spelling of 121002011110102 in words is "one hundred twenty-one trillion, two billion, eleven million, one hundred ten thousand, one hundred two".