1001210111211 has 8 divisors (see below), whose sum is σ = 1341655091200. Its totient is φ = 664119269352.

The previous prime is 1001210111183. The next prime is 1001210111233. The reversal of 1001210111211 is 1121110121001.

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

It is not a de Polignac number, because 1001210111211 - 2¹⁸ = 1001209849067 is a prime.

It is a super-2 number, since 2×1001210111211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001210111261) 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, 838533835 + ... + 838535028.

It is an arithmetic number, because the mean of its divisors is an integer number (167706886400).

Almost surely, 2^{1001210111211} is an apocalyptic number.

1001210111211 is a deficient number, since it is larger than the sum of its proper divisors (340444979989).

1001210111211 is a wasteful number, since it uses less digits than its factorization.

1001210111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677069065.

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

Adding to 1001210111211 its reverse (1121110121001), we get a palindrome (2122320232212).

The spelling of 1001210111211 in words is "one trillion, one billion, two hundred ten million, one hundred eleven thousand, two hundred eleven".