12020111102102 has 4 divisors (see below), whose sum is σ = 18030166653156. Its totient is φ = 6010055551050.

The previous prime is 12020111102101. The next prime is 12020111102107. The reversal of 12020111102102 is 20120111102021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020111102101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005027775524 + ... + 3005027775527.

It is an arithmetic number, because the mean of its divisors is an integer number (4507541663289).

Almost surely, 2^{12020111102102} is an apocalyptic number.

12020111102102 is a deficient number, since it is larger than the sum of its proper divisors (6010055551054).

12020111102102 is an equidigital number, since it uses as much as digits as its factorization.

12020111102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010055551053.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12020111102102 its reverse (20120111102021), we get a palindrome (32140222204123).

The spelling of 12020111102102 in words is "twelve trillion, twenty billion, one hundred eleven million, one hundred two thousand, one hundred two".