1001020211122 has 8 divisors (see below), whose sum is σ = 1523941217136. Its totient is φ = 493039805412.

The previous prime is 1001020211119. The next prime is 1001020211129. The reversal of 1001020211122 is 2211120201001.

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

It is not an unprimeable number, because it can be changed into a prime (1001020211129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3735149908 + ... + 3735150175.

It is an arithmetic number, because the mean of its divisors is an integer number (190492652142).

Almost surely, 2^{1001020211122} is an apocalyptic number.

1001020211122 is a deficient number, since it is larger than the sum of its proper divisors (522921006014).

1001020211122 is an equidigital number, since it uses as much as digits as its factorization.

1001020211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7470300152.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001020211122 its reverse (2211120201001), we get a palindrome (3212140412123).

The spelling of 1001020211122 in words is "one trillion, one billion, twenty million, two hundred eleven thousand, one hundred twenty-two".