212021020221110 has 16 divisors (see below), whose sum is σ = 387013017193632. Its totient is φ = 83613923467200.

The previous prime is 212021020221089. The next prime is 212021020221121. The reversal of 212021020221110 is 11122020120212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149310576911 + ... + 149310578330.

It is an arithmetic number, because the mean of its divisors is an integer number (24188313574602).

Almost surely, 2^{212021020221110} is an apocalyptic number.

212021020221110 is a deficient number, since it is larger than the sum of its proper divisors (174991996972522).

212021020221110 is a wasteful number, since it uses less digits than its factorization.

212021020221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298621155319.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212021020221110 its reverse (11122020120212), we get a palindrome (223143040341322).

The spelling of 212021020221110 in words is "two hundred twelve trillion, twenty-one billion, twenty million, two hundred twenty-one thousand, one hundred ten".