1011212102211 has 8 divisors (see below), whose sum is σ = 1348354928400. Its totient is φ = 674105338752.

The previous prime is 1011212102209. The next prime is 1011212102213. The reversal of 1011212102211 is 1122012121101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1011212102209) and next prime (1011212102213).

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

It is not a de Polignac number, because 1011212102211 - 2¹ = 1011212102209 is a prime.

It is a super-2 number, since 2×1011212102211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011212102213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8950186 + ... + 9062463.

It is an arithmetic number, because the mean of its divisors is an integer number (168544366050).

Almost surely, 2^{1011212102211} is an apocalyptic number.

1011212102211 is a deficient number, since it is larger than the sum of its proper divisors (337142826189).

1011212102211 is a wasteful number, since it uses less digits than its factorization.

1011212102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18031365.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1011212102211 its reverse (1122012121101), we get a palindrome (2133224223312).

The spelling of 1011212102211 in words is "one trillion, eleven billion, two hundred twelve million, one hundred two thousand, two hundred eleven".