10101222121211 has 8 divisors (see below), whose sum is σ = 10878267723120. Its totient is φ = 9324180592992.

The previous prime is 10101222121189. The next prime is 10101222121229. The reversal of 10101222121211 is 11212122210101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101222121211 is a prime.

It is a super-2 number, since 2×10101222121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101222121211.

It is not an unprimeable number, because it can be changed into a prime (10101222121261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844485 + ... + 7372953.

It is an arithmetic number, because the mean of its divisors is an integer number (1359783465390).

Almost surely, 2^{10101222121211} is an apocalyptic number.

10101222121211 is a deficient number, since it is larger than the sum of its proper divisors (777045601909).

10101222121211 is a wasteful number, since it uses less digits than its factorization.

10101222121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036845.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10101222121211 its reverse (11212122210101), we get a palindrome (21313344331312).

The spelling of 10101222121211 in words is "ten trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred eleven".