10101002121211 has 4 divisors (see below), whose sum is σ = 10101019299624. Its totient is φ = 10100984942800.

The previous prime is 10101002121167. The next prime is 10101002121241. The reversal of 10101002121211 is 11212120010101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10101002121211 - 2²³ = 10100993732603 is a prime.

It is a super-2 number, since 2×10101002121211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101002121191 and 10101002121200.

It is not an unprimeable number, because it can be changed into a prime (10101002121241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7674745 + ... + 8894026.

It is an arithmetic number, because the mean of its divisors is an integer number (2525254824906).

Almost surely, 2^{10101002121211} is an apocalyptic number.

10101002121211 is a deficient number, since it is larger than the sum of its proper divisors (17178413).

10101002121211 is an equidigital number, since it uses as much as digits as its factorization.

10101002121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17178412.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101002121211 its reverse (11212120010101), we get a palindrome (21313122131312).

The spelling of 10101002121211 in words is "ten trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred eleven".