1122211212101 has 8 divisors (see below), whose sum is σ = 1285725424704. Its totient is φ = 959496580800.

The previous prime is 1122211212061. The next prime is 1122211212107. The reversal of 1122211212101 is 1012121122211.

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 1122211212101 - 2²² = 1122207017797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122211212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122211212107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199892315 + ... + 199897928.

It is an arithmetic number, because the mean of its divisors is an integer number (160715678088).

Almost surely, 2^{1122211212101} is an apocalyptic number.

It is an amenable number.

1122211212101 is a deficient number, since it is larger than the sum of its proper divisors (163514212603).

1122211212101 is an equidigital number, since it uses as much as digits as its factorization.

1122211212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399790651.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1122211212101 its reverse (1012121122211), we get a palindrome (2134332334312).

The spelling of 1122211212101 in words is "one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twelve thousand, one hundred one".