2111122111210 has 16 divisors (see below), whose sum is σ = 4342879771776. Its totient is φ = 723813295248.

The previous prime is 2111122111199. The next prime is 2111122111229. The reversal of 2111122111210 is 121112211112.

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, 15079443582 + ... + 15079443721.

It is an arithmetic number, because the mean of its divisors is an integer number (271429985736).

Almost surely, 2^{2111122111210} is an apocalyptic number.

2111122111210 is an abundant number, since it is smaller than the sum of its proper divisors (2231757660566).

2111122111210 is a wasteful number, since it uses less digits than its factorization.

2111122111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30158887317.

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

Adding to 2111122111210 its reverse (121112211112), we get a palindrome (2232234322322).

The spelling of 2111122111210 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, one hundred eleven thousand, two hundred ten".