12210102021111 has 16 divisors (see below), whose sum is σ = 16305355140480. Its totient is φ = 8127468221600.

The previous prime is 12210102021059. The next prime is 12210102021163. The reversal of 12210102021111 is 11112020101221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12210102021059) and next prime (12210102021163).

It is a cyclic number.

It is not a de Polignac number, because 12210102021111 - 2¹³ = 12210102012919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210102021811) 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, 3788380 + ... + 6226718.

It is an arithmetic number, because the mean of its divisors is an integer number (1019084696280).

Almost surely, 2^{12210102021111} is an apocalyptic number.

12210102021111 is a deficient number, since it is larger than the sum of its proper divisors (4095253119369).

12210102021111 is a wasteful number, since it uses less digits than its factorization.

12210102021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440926.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12210102021111 its reverse (11112020101221), we get a palindrome (23322122122332).

The spelling of 12210102021111 in words is "twelve trillion, two hundred ten billion, one hundred two million, twenty-one thousand, one hundred eleven".