1020211211001 has 8 divisors (see below), whose sum is σ = 1397045982784. Its totient is φ = 661758623280.

The previous prime is 1020211210981. The next prime is 1020211211003. The reversal of 1020211211001 is 1001121120201.

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

It is not a de Polignac number, because 1020211211001 - 2⁶ = 1020211210937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020211211003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4595545885 + ... + 4595546106.

It is an arithmetic number, because the mean of its divisors is an integer number (174630747848).

Almost surely, 2^{1020211211001} is an apocalyptic number.

It is an amenable number.

1020211211001 is a deficient number, since it is larger than the sum of its proper divisors (376834771783).

1020211211001 is an equidigital number, since it uses as much as digits as its factorization.

1020211211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191092031.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020211211001 its reverse (1001121120201), we get a palindrome (2021332331202).

The spelling of 1020211211001 in words is "one trillion, twenty billion, two hundred eleven million, two hundred eleven thousand, one".