210100111201012 has 6 divisors (see below), whose sum is σ = 367675194601778. Its totient is φ = 105050055600504.

The previous prime is 210100111201009. The next prime is 210100111201031. The reversal of 210100111201012 is 210102111001012.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 184898968235536 + 25201142965476 = 13597756^2 + 5020074^2 .

It is a junction number, because it is equal to n+sod(n) for n = 210100111200983 and 210100111201001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26262513900123 + ... + 26262513900130.

Almost surely, 2^{210100111201012} is an apocalyptic number.

It is an amenable number.

210100111201012 is a deficient number, since it is larger than the sum of its proper divisors (157575083400766).

210100111201012 is a wasteful number, since it uses less digits than its factorization.

210100111201012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52525027800257 (or 52525027800255 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 210100111201012 its reverse (210102111001012), we get a palindrome (420202222202024).

The spelling of 210100111201012 in words is "two hundred ten trillion, one hundred billion, one hundred eleven million, two hundred one thousand, twelve".