212200020101 has 4 divisors (see below), whose sum is σ = 213470679072. Its totient is φ = 210929361132.

The previous prime is 212200020083. The next prime is 212200020133. The reversal of 212200020101 is 101020002212.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-212200020101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200020161) 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, 635329235 + ... + 635329568.

It is an arithmetic number, because the mean of its divisors is an integer number (53367669768).

Almost surely, 2^212200020101 is an apocalyptic number.

It is an amenable number.

212200020101 is a deficient number, since it is larger than the sum of its proper divisors (1270658971).

212200020101 is a wasteful number, since it uses less digits than its factorization.

212200020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270658970.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212200020101 its reverse (101020002212), we get a palindrome (313220022313).

The spelling of 212200020101 in words is "two hundred twelve billion, two hundred million, twenty thousand, one hundred one".