120021102102 has 16 divisors (see below), whose sum is σ = 261864222912. Its totient is φ = 36370030920.

The previous prime is 120021102083. The next prime is 120021102107. The reversal of 120021102102 is 201201120021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021102107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909250708 + ... + 909250839.

It is an arithmetic number, because the mean of its divisors is an integer number (16366513932).

Almost surely, 2^120021102102 is an apocalyptic number.

120021102102 is an abundant number, since it is smaller than the sum of its proper divisors (141843120810).

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

120021102102 is a wasteful number, since it uses less digits than its factorization.

120021102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818501563.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 120021102102 its reverse (201201120021), we get a palindrome (321222222123).

The spelling of 120021102102 in words is "one hundred twenty billion, twenty-one million, one hundred two thousand, one hundred two".