12020022111102 has 32 divisors (see below), whose sum is σ = 24231510374400. Its totient is φ = 3974857285728.

The previous prime is 12020022111047. The next prime is 12020022111103. The reversal of 12020022111102 is 20111122002021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020022111103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11273902 + ... + 12293937.

It is an arithmetic number, because the mean of its divisors is an integer number (757234699200).

Almost surely, 2^{12020022111102} is an apocalyptic number.

12020022111102 is an abundant number, since it is smaller than the sum of its proper divisors (12211488263298).

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

12020022111102 is a wasteful number, since it uses less digits than its factorization.

12020022111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23568520.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12020022111102 its reverse (20111122002021), we get a palindrome (32131144113123).

The spelling of 12020022111102 in words is "twelve trillion, twenty billion, twenty-two million, one hundred eleven thousand, one hundred two".