211302212100 has 144 divisors (see below), whose sum is σ = 729084668928. Its totient is φ = 46197740160.

The previous prime is 211302212057. The next prime is 211302212101. The reversal of 211302212100 is 1212203112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211302212100.

It is not an unprimeable number, because it can be changed into a prime (211302212101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2139094 + ... + 2235693.

Almost surely, 2^211302212100 is an apocalyptic number.

211302212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211302212100 is an abundant number, since it is smaller than the sum of its proper divisors (517782456828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211302212100 is a wasteful number, since it uses less digits than its factorization.

211302212100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4374834 (or 4374827 counting only the distinct ones).

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

Adding to 211302212100 its reverse (1212203112), we get a palindrome (212514415212).

The spelling of 211302212100 in words is "two hundred eleven billion, three hundred two million, two hundred twelve thousand, one hundred".