101213100211 has 4 divisors (see below), whose sum is σ = 102872331424. Its totient is φ = 99553869000.

The previous prime is 101213100169. The next prime is 101213100223. The reversal of 101213100211 is 112001312101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101213100211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101213100191 and 101213100200.

It is not an unprimeable number, because it can be changed into a prime (101213100281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 829615515 + ... + 829615636.

It is an arithmetic number, because the mean of its divisors is an integer number (25718082856).

Almost surely, 2^101213100211 is an apocalyptic number.

101213100211 is a deficient number, since it is larger than the sum of its proper divisors (1659231213).

101213100211 is an equidigital number, since it uses as much as digits as its factorization.

101213100211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659231212.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 101213100211 its reverse (112001312101), we get a palindrome (213214412312).

The spelling of 101213100211 in words is "one hundred one billion, two hundred thirteen million, one hundred thousand, two hundred eleven".