1011002101211 has 4 divisors (see below), whose sum is σ = 1011013907472. Its totient is φ = 1010990294952.

The previous prime is 1011002101189. The next prime is 1011002101253. The reversal of 1011002101211 is 1121012001101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011002101211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011002101192 and 1011002101201.

It is not an unprimeable number, because it can be changed into a prime (1011002101111) 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, 5773736 + ... + 5946261.

It is an arithmetic number, because the mean of its divisors is an integer number (252753476868).

Almost surely, 2^{1011002101211} is an apocalyptic number.

1011002101211 is a deficient number, since it is larger than the sum of its proper divisors (11806261).

1011002101211 is an equidigital number, since it uses as much as digits as its factorization.

1011002101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806260.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1011002101211 its reverse (1121012001101), we get a palindrome (2132014102312).

The spelling of 1011002101211 in words is "one trillion, eleven billion, two million, one hundred one thousand, two hundred eleven".