1100212122122 has 8 divisors (see below), whose sum is σ = 1673562101472. Its totient is φ = 542358088300.

The previous prime is 1100212122101. The next prime is 1100212122143. The reversal of 1100212122122 is 2212212120011.

It is an interprime number because it is at equal distance from previous prime (1100212122101) and next prime (1100212122143).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1100212122122.

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, 3873986204 + ... + 3873986487.

It is an arithmetic number, because the mean of its divisors is an integer number (209195262684).

Almost surely, 2^{1100212122122} is an apocalyptic number.

1100212122122 is a deficient number, since it is larger than the sum of its proper divisors (573349979350).

1100212122122 is an equidigital number, since it uses as much as digits as its factorization.

1100212122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7747972764.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1100212122122 its reverse (2212212120011), we get a palindrome (3312424242133).

The spelling of 1100212122122 in words is "one trillion, one hundred billion, two hundred twelve million, one hundred twenty-two thousand, one hundred twenty-two".