1001120020211 has 8 divisors (see below), whose sum is σ = 1008969596544. Its totient is φ = 993278301120.

The previous prime is 1001120020207. The next prime is 1001120020249. The reversal of 1001120020211 is 1120200211001.

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 1001120020211 - 2² = 1001120020207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001120020192 and 1001120020201.

It is not an unprimeable number, because it can be changed into a prime (1001120025211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1708355 + ... + 2218268.

It is an arithmetic number, because the mean of its divisors is an integer number (126121199568).

Almost surely, 2^{1001120020211} is an apocalyptic number.

1001120020211 is a deficient number, since it is larger than the sum of its proper divisors (7849576333).

1001120020211 is a wasteful number, since it uses less digits than its factorization.

1001120020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3928621.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1001120020211 its reverse (1120200211001), we get a palindrome (2121320231212).

The spelling of 1001120020211 in words is "one trillion, one billion, one hundred twenty million, twenty thousand, two hundred eleven".