120021111102 has 16 divisors (see below), whose sum is σ = 240046626960. Its totient is φ = 40006302912.

The previous prime is 120021111097. The next prime is 120021111121. The reversal of 120021111102 is 201111120021.

It is a super-2 number, since 2×120021111102² (a number of 23 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 7 ways as a sum of consecutive naturals, for example, 249168 + ... + 549660.

It is an arithmetic number, because the mean of its divisors is an integer number (15002914185).

Almost surely, 2^120021111102 is an apocalyptic number.

120021111102 is an abundant number, since it is smaller than the sum of its proper divisors (120025515858).

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

120021111102 is a wasteful number, since it uses less digits than its factorization.

120021111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367067.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 120021111102 its reverse (201111120021), we get a palindrome (321132231123).

The spelling of 120021111102 in words is "one hundred twenty billion, twenty-one million, one hundred eleven thousand, one hundred two".