210211111212200 has 72 divisors (see below), whose sum is σ = 568535255401950. Its totient is φ = 72072380983680.

The previous prime is 210211111212127. The next prime is 210211111212203. The reversal of 210211111212200 is 2212111112012.

It can be written as a sum of positive squares in 3 ways, for example, as 176146355616196 + 34064755596004 = 13272014^2 + 5836502^2 .

It is a super-2 number, since 2×210211111212200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210211111212203) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10725046895 + ... + 10725066494.

Almost surely, 2^{210211111212200} is an apocalyptic number.

210211111212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210211111212200 is an abundant number, since it is smaller than the sum of its proper divisors (358324144189750).

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

210211111212200 is a wasteful number, since it uses less digits than its factorization.

210211111212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21450113419 (or 21450113403 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 210211111212200 its reverse (2212111112012), we get a palindrome (212423222324212).

The spelling of 210211111212200 in words is "two hundred ten trillion, two hundred eleven billion, one hundred eleven million, two hundred twelve thousand, two hundred".