1011222001211 has 8 divisors (see below), whose sum is σ = 1015225931520. Its totient is φ = 1007220613248.

The previous prime is 1011222001189. The next prime is 1011222001327. The reversal of 1011222001211 is 1121002221101.

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 1011222001211 - 2³⁰ = 1010148259387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011222001411) 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, 163475 + ... + 1431491.

It is an arithmetic number, because the mean of its divisors is an integer number (126903241440).

Almost surely, 2^{1011222001211} is an apocalyptic number.

1011222001211 is a deficient number, since it is larger than the sum of its proper divisors (4003930309).

1011222001211 is a wasteful number, since it uses less digits than its factorization.

1011222001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271173.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011222001211 its reverse (1121002221101), we get a palindrome (2132224222312).

The spelling of 1011222001211 in words is "one trillion, eleven billion, two hundred twenty-two million, one thousand, two hundred eleven".