212021112103 has 8 divisors (see below), whose sum is σ = 218897994240. Its totient is φ = 205146573240.

The previous prime is 212021112071. The next prime is 212021112109. The reversal of 212021112103 is 301211120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212021112103 - 2⁵ = 212021112071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021112109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400993 + ... + 764746.

It is an arithmetic number, because the mean of its divisors is an integer number (27362249280).

Almost surely, 2^212021112103 is an apocalyptic number.

212021112103 is a deficient number, since it is larger than the sum of its proper divisors (6876882137).

212021112103 is a wasteful number, since it uses less digits than its factorization.

212021112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171637.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212021112103 its reverse (301211120212), we get a palindrome (513232232315).

The spelling of 212021112103 in words is "two hundred twelve billion, twenty-one million, one hundred twelve thousand, one hundred three".