1001121211022 has 4 divisors (see below), whose sum is σ = 1501681816536. Its totient is φ = 500560605510.

The previous prime is 1001121210923. The next prime is 1001121211031. The reversal of 1001121211022 is 2201121211001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1001121210988 and 1001121211006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250280302754 + ... + 250280302757.

It is an arithmetic number, because the mean of its divisors is an integer number (375420454134).

Almost surely, 2^{1001121211022} is an apocalyptic number.

1001121211022 is a deficient number, since it is larger than the sum of its proper divisors (500560605514).

1001121211022 is an equidigital number, since it uses as much as digits as its factorization.

1001121211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500560605513.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001121211022 its reverse (2201121211001), we get a palindrome (3202242422023).

The spelling of 1001121211022 in words is "one trillion, one billion, one hundred twenty-one million, two hundred eleven thousand, twenty-two".