101212111222 has 8 divisors (see below), whose sum is σ = 151821293400. Its totient is φ = 50605013424.

The previous prime is 101212111207. The next prime is 101212111249. The reversal of 101212111222 is 222111212101.

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

It is a junction number, because it is equal to n+sod(n) for n = 101212111196 and 101212111205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393447 + ... + 597682.

It is an arithmetic number, because the mean of its divisors is an integer number (18977661675).

Almost surely, 2^101212111222 is an apocalyptic number.

101212111222 is a deficient number, since it is larger than the sum of its proper divisors (50609182178).

101212111222 is an equidigital number, since it uses as much as digits as its factorization.

101212111222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042190.

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

Adding to 101212111222 its reverse (222111212101), we get a palindrome (323323323323).

The spelling of 101212111222 in words is "one hundred one billion, two hundred twelve million, one hundred eleven thousand, two hundred twenty-two".