120121021102 has 8 divisors (see below), whose sum is σ = 180183110976. Its totient is φ = 60059984112.

The previous prime is 120121021081. The next prime is 120121021121. The reversal of 120121021102 is 201120121021.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154723 + ... + 513985.

It is an arithmetic number, because the mean of its divisors is an integer number (22522888872).

Almost surely, 2^120121021102 is an apocalyptic number.

120121021102 is a deficient number, since it is larger than the sum of its proper divisors (60062089874).

120121021102 is a wasteful number, since it uses less digits than its factorization.

120121021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526442.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120121021102 its reverse (201120121021), we get a palindrome (321241142123).

The spelling of 120121021102 in words is "one hundred twenty billion, one hundred twenty-one million, twenty-one thousand, one hundred two".