10111001021211 has 8 divisors (see below), whose sum is σ = 13482668068864. Its totient is φ = 6740000660520.

The previous prime is 10111001021203. The next prime is 10111001021237. The reversal of 10111001021211 is 11212010011101.

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

It is not a de Polignac number, because 10111001021211 - 2³ = 10111001021203 is a prime.

It is a Duffinian number.

10111001021211 is a modest number, since divided by 1021211 gives 101110 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10111001022211) 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, 166636351 + ... + 166697016.

It is an arithmetic number, because the mean of its divisors is an integer number (1685333508608).

Almost surely, 2^{10111001021211} is an apocalyptic number.

10111001021211 is a deficient number, since it is larger than the sum of its proper divisors (3371667047653).

10111001021211 is a wasteful number, since it uses less digits than its factorization.

10111001021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333343481.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 10111001021211 its reverse (11212010011101), we get a palindrome (21323011032312).

The spelling of 10111001021211 in words is "ten trillion, one hundred eleven billion, one million, twenty-one thousand, two hundred eleven".