121001001000102 has 12 divisors (see below), whose sum is σ = 262168835500260. Its totient is φ = 40333667000028.

The previous prime is 121001001000059. The next prime is 121001001000119. The reversal of 121001001000102 is 201000100100121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3361138916652 + ... + 3361138916687.

It is an arithmetic number, because the mean of its divisors is an integer number (21847402958355).

Almost surely, 2^{121001001000102} is an apocalyptic number.

121001001000102 is an abundant number, since it is smaller than the sum of its proper divisors (141167834500158).

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

121001001000102 is a wasteful number, since it uses less digits than its factorization.

121001001000102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722277833347 (or 6722277833344 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 121001001000102 its reverse (201000100100121), we get a palindrome (322001101100223).

The spelling of 121001001000102 in words is "one hundred twenty-one trillion, one billion, one million, one hundred two", and thus it is an aban number.