1020001120211 has 8 divisors (see below), whose sum is σ = 1023210534960. Its totient is φ = 1016793513472.

The previous prime is 1020001120207. The next prime is 1020001120241. The reversal of 1020001120211 is 1120211000201.

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 1020001120211 - 2² = 1020001120207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1020001120192 and 1020001120201.

It is not an unprimeable number, because it can be changed into a prime (1020001120241) 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, 682556 + ... + 1582998.

It is an arithmetic number, because the mean of its divisors is an integer number (127901316870).

Almost surely, 2^{1020001120211} is an apocalyptic number.

1020001120211 is a deficient number, since it is larger than the sum of its proper divisors (3209414749).

1020001120211 is an equidigital number, since it uses as much as digits as its factorization.

1020001120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904005.

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

Adding to 1020001120211 its reverse (1120211000201), we get a palindrome (2140212120412).

The spelling of 1020001120211 in words is "one trillion, twenty billion, one million, one hundred twenty thousand, two hundred eleven".