212020000021110 has 256 divisors, whose sum is σ = 528524512911360. Its totient is φ = 54396662538240.

The previous prime is 212020000021079. The next prime is 212020000021111. The reversal of 212020000021110 is 11120000020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020000021111) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51978424051 + ... + 51978428129.

It is an arithmetic number, because the mean of its divisors is an integer number (2064548878560).

Almost surely, 2^{212020000021110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212020000021110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264262256455680).

212020000021110 is an abundant number, since it is smaller than the sum of its proper divisors (316504512890250).

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

212020000021110 is a wasteful number, since it uses less digits than its factorization.

212020000021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6223.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212020000021110 its reverse (11120000020212), we get a palindrome (223140000041322).

The spelling of 212020000021110 in words is "two hundred twelve trillion, twenty billion, twenty-one thousand, one hundred ten".