12102222022211 has 16 divisors (see below), whose sum is σ = 12498661620480. Its totient is φ = 11706161765760.

The previous prime is 12102222022199. The next prime is 12102222022259. The reversal of 12102222022211 is 11222022220121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12102222022211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102222022511) 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, 959497541 + ... + 959510153.

It is an arithmetic number, because the mean of its divisors is an integer number (781166351280).

Almost surely, 2^{12102222022211} is an apocalyptic number.

12102222022211 is a deficient number, since it is larger than the sum of its proper divisors (396439598269).

12102222022211 is a wasteful number, since it uses less digits than its factorization.

12102222022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25166.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12102222022211 its reverse (11222022220121), we get a palindrome (23324244242332).

The spelling of 12102222022211 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, twenty-two thousand, two hundred eleven".