212020021121110 has 16 divisors (see below), whose sum is σ = 381638538043632. Its totient is φ = 84807452887200.

The previous prime is 212020021121093. The next prime is 212020021121123. The reversal of 212020021121110 is 11121120020212.

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, 67840536 + ... + 70896955.

It is an arithmetic number, because the mean of its divisors is an integer number (23852408627727).

Almost surely, 2^{212020021121110} is an apocalyptic number.

212020021121110 is a deficient number, since it is larger than the sum of its proper divisors (169618516922522).

212020021121110 is a wasteful number, since it uses less digits than its factorization.

212020021121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138890319.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212020021121110 its reverse (11121120020212), we get a palindrome (223141141141322).

The spelling of 212020021121110 in words is "two hundred twelve trillion, twenty billion, twenty-one million, one hundred twenty-one thousand, one hundred ten".