1211002202011 has 8 divisors (see below), whose sum is σ = 1387289936864. Its totient is φ = 1035536322240.

The previous prime is 1211002201967. The next prime is 1211002202021. The reversal of 1211002202011 is 1102022001121.

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

It is not a de Polignac number, because 1211002202011 - 2⁹ = 1211002201499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1211002201982 and 1211002202000.

It is not an unprimeable number, because it can be changed into a prime (1211002202021) 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, 205460610 + ... + 205466503.

It is an arithmetic number, because the mean of its divisors is an integer number (173411242108).

Almost surely, 2^{1211002202011} is an apocalyptic number.

1211002202011 is a deficient number, since it is larger than the sum of its proper divisors (176287734853).

1211002202011 is an equidigital number, since it uses as much as digits as its factorization.

1211002202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410927541.

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

Adding to 1211002202011 its reverse (1102022001121), we get a palindrome (2313024203132).

The spelling of 1211002202011 in words is "one trillion, two hundred eleven billion, two million, two hundred two thousand, eleven".