210111012121012 has 12 divisors (see below), whose sum is σ = 389323345989060. Its totient is φ = 98875770409856.

The previous prime is 210111012120973. The next prime is 210111012121039. The reversal of 210111012121012 is 210121210111012.

210111012121012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57801746740516 + 152309265380496 = 7602746^2 + 12341364^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544933912587 + ... + 1544933912722.

It is an arithmetic number, because the mean of its divisors is an integer number (32443612165755).

Almost surely, 2^{210111012121012} is an apocalyptic number.

It is an amenable number.

210111012121012 is a deficient number, since it is larger than the sum of its proper divisors (179212333868048).

210111012121012 is a wasteful number, since it uses less digits than its factorization.

210111012121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089867825330 (or 3089867825328 counting only the distinct ones).

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

Adding to 210111012121012 its reverse (210121210111012), we get a palindrome (420232222232024).

The spelling of 210111012121012 in words is "two hundred ten trillion, one hundred eleven billion, twelve million, one hundred twenty-one thousand, twelve".