121002012120102 has 8 divisors (see below), whose sum is σ = 242004024240216. Its totient is φ = 40334004040032.

The previous prime is 121002012120049. The next prime is 121002012120151. The reversal of 121002012120102 is 201021210200121.

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

121002012120102 is an admirable number.

It is a super-2 number, since 2×121002012120102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 10083501010003 + ... + 10083501010014.

It is an arithmetic number, because the mean of its divisors is an integer number (30250503030027).

Almost surely, 2^{121002012120102} is an apocalyptic number.

121002012120102 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.

121002012120102 is a wasteful number, since it uses less digits than its factorization.

121002012120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20167002020022.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121002012120102 its reverse (201021210200121), we get a palindrome (322023222320223).

The spelling of 121002012120102 in words is "one hundred twenty-one trillion, two billion, twelve million, one hundred twenty thousand, one hundred two".