211220201000200 has 48 divisors (see below), whose sum is σ = 561242248375680. Its totient is φ = 72418354628160.

The previous prime is 211220201000191. The next prime is 211220201000201. The reversal of 211220201000200 is 2000102022112.

It is a happy number.

It is a super-2 number, since 2×211220201000200² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211220201000201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75435784672 + ... + 75435787471.

It is an arithmetic number, because the mean of its divisors is an integer number (11692546841160).

Almost surely, 2^{211220201000200} is an apocalyptic number.

211220201000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211220201000200 is an abundant number, since it is smaller than the sum of its proper divisors (350022047375480).

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

211220201000200 is a wasteful number, since it uses less digits than its factorization.

211220201000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150871572166 (or 150871572157 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 211220201000200 its reverse (2000102022112), we get a palindrome (213220303022312).

The spelling of 211220201000200 in words is "two hundred eleven trillion, two hundred twenty billion, two hundred one million, two hundred", and thus it is an aban number.