212203102101 has 4 divisors (see below), whose sum is σ = 282937469472. Its totient is φ = 141468734732.

The previous prime is 212203102091. The next prime is 212203102141. The reversal of 212203102101 is 101201302212.

212203102101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212203102101 - 2³¹ = 210055618453 is a prime.

It is a super-2 number, since 2×212203102101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203102141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35367183681 + ... + 35367183686.

It is an arithmetic number, because the mean of its divisors is an integer number (70734367368).

Almost surely, 2^212203102101 is an apocalyptic number.

It is an amenable number.

212203102101 is a deficient number, since it is larger than the sum of its proper divisors (70734367371).

212203102101 is an equidigital number, since it uses as much as digits as its factorization.

212203102101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70734367370.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212203102101 its reverse (101201302212), we get a palindrome (313404404313).

The spelling of 212203102101 in words is "two hundred twelve billion, two hundred three million, one hundred two thousand, one hundred one".