10101112121211 has 8 divisors (see below), whose sum is σ = 13832153535504. Its totient is φ = 6552072727200.

The previous prime is 10101112121209. The next prime is 10101112121213. The reversal of 10101112121211 is 11212121110101.

It is an interprime number because it is at equal distance from previous prime (10101112121209) and next prime (10101112121213).

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

It is not a de Polignac number, because 10101112121211 - 2¹ = 10101112121209 is a prime.

It is a super-2 number, since 2×10101112121211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10101112121213) 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, 45500504940 + ... + 45500505161.

It is an arithmetic number, because the mean of its divisors is an integer number (1729019191938).

Almost surely, 2^{10101112121211} is an apocalyptic number.

10101112121211 is a deficient number, since it is larger than the sum of its proper divisors (3731041414293).

10101112121211 is an equidigital number, since it uses as much as digits as its factorization.

10101112121211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91001010141.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 10101112121211 its reverse (11212121110101), we get a palindrome (21313233231312).

It can be divided in two parts, 10101 and 112121211, that multiplied together give a palindrome (1132536352311).

The spelling of 10101112121211 in words is "ten trillion, one hundred one billion, one hundred twelve million, one hundred twenty-one thousand, two hundred eleven".