212012010102111 has 16 divisors (see below), whose sum is σ = 287296462811904. Its totient is φ = 139040252233344.

The previous prime is 212012010102083. The next prime is 212012010102143. The reversal of 212012010102111 is 111201010210212.

It is a happy number.

It is not a de Polignac number, because 212012010102111 - 2³⁹ = 211462254288223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012010103111) 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, 725291370 + ... + 725583623.

It is an arithmetic number, because the mean of its divisors is an integer number (17956028925744).

Almost surely, 2^{212012010102111} is an apocalyptic number.

212012010102111 is a deficient number, since it is larger than the sum of its proper divisors (75284452709793).

212012010102111 is a wasteful number, since it uses less digits than its factorization.

212012010102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450875790.

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

Adding to 212012010102111 its reverse (111201010210212), we get a palindrome (323213020312323).

The spelling of 212012010102111 in words is "two hundred twelve trillion, twelve billion, ten million, one hundred two thousand, one hundred eleven".