211211020220200 has 192 divisors, whose sum is σ = 659332863745920. Its totient is φ = 60768005760000.

The previous prime is 211211020220159. The next prime is 211211020220219. The reversal of 211211020220200 is 2022020112112.

It is a happy number.

It is a super-2 number, since 2×211211020220200² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 527299851 + ... + 527700250.

It is an arithmetic number, because the mean of its divisors is an integer number (3434025332010).

Almost surely, 2^{211211020220200} is an apocalyptic number.

211211020220200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211211020220200 is an abundant number, since it is smaller than the sum of its proper divisors (448121843525720).

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

211211020220200 is a wasteful number, since it uses less digits than its factorization.

211211020220200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055000148 (or 1055000139 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211211020220200 its reverse (2022020112112), we get a palindrome (213233040332312).

The spelling of 211211020220200 in words is "two hundred eleven trillion, two hundred eleven billion, twenty million, two hundred twenty thousand, two hundred".