10002102211111 has 4 divisors (see below), whose sum is σ = 10002122788032. Its totient is φ = 10002081634192.

The previous prime is 10002102211099. The next prime is 10002102211177. The reversal of 10002102211111 is 11111220120001.

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 10002102211111 - 2¹³ = 10002102202919 is a prime.

It is a super-3 number, since 3×10002102211111³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002102211091 and 10002102211100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002102217111) 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, 9541246 + ... + 10537531.

It is an arithmetic number, because the mean of its divisors is an integer number (2500530697008).

Almost surely, 2^{10002102211111} is an apocalyptic number.

10002102211111 is a deficient number, since it is larger than the sum of its proper divisors (20576921).

10002102211111 is an equidigital number, since it uses as much as digits as its factorization.

10002102211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20576920.

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

Adding to 10002102211111 its reverse (11111220120001), we get a palindrome (21113322331112).

The spelling of 10002102211111 in words is "ten trillion, two billion, one hundred two million, two hundred eleven thousand, one hundred eleven".