212021111112110 has 32 divisors (see below), whose sum is σ = 390284214334560. Its totient is φ = 82898960579968.

The previous prime is 212021111112079. The next prime is 212021111112119. The reversal of 212021111112110 is 11211111120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021111112119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743425892 + ... + 743711031.

It is an arithmetic number, because the mean of its divisors is an integer number (12196381697955).

Almost surely, 2^{212021111112110} is an apocalyptic number.

212021111112110 is a deficient number, since it is larger than the sum of its proper divisors (178263103222450).

212021111112110 is a wasteful number, since it uses less digits than its factorization.

212021111112110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487137252.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 212021111112110 its reverse (11211111120212), we get a palindrome (223232222232322).

The spelling of 212021111112110 in words is "two hundred twelve trillion, twenty-one billion, one hundred eleven million, one hundred twelve thousand, one hundred ten".