212122111102 has 16 divisors (see below), whose sum is σ = 347116369392. Its totient is φ = 96417069120.

The previous prime is 212122111081. The next prime is 212122111127. The reversal of 212122111102 is 201111221212.

It is a super-3 number, since 3×212122111102³ (a number of 35 digits) contains 333 as substring.

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, 1483468 + ... + 1620160.

It is an arithmetic number, because the mean of its divisors is an integer number (21694773087).

Almost surely, 2^212122111102 is an apocalyptic number.

212122111102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212122111102 is a deficient number, since it is larger than the sum of its proper divisors (134994258290).

212122111102 is a wasteful number, since it uses less digits than its factorization.

212122111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207243.

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

Adding to 212122111102 its reverse (201111221212), we get a palindrome (413233332314).

The spelling of 212122111102 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred eleven thousand, one hundred two".