120001002102 has 24 divisors (see below), whose sum is σ = 271306614384. Its totient is φ = 38261188944.

The previous prime is 120001002091. The next prime is 120001002113. The reversal of 120001002102 is 201200100021.

It is an interprime number because it is at equal distance from previous prime (120001002091) and next prime (120001002113).

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 11 ways as a sum of consecutive naturals, for example, 144928333 + ... + 144929160.

It is an arithmetic number, because the mean of its divisors is an integer number (11304442266).

Almost surely, 2^120001002102 is an apocalyptic number.

120001002102 is an abundant number, since it is smaller than the sum of its proper divisors (151305612282).

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

120001002102 is a wasteful number, since it uses less digits than its factorization.

120001002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289857524 (or 289857521 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 120001002102 its reverse (201200100021), we get a palindrome (321201102123).

The spelling of 120001002102 in words is "one hundred twenty billion, one million, two thousand, one hundred two".