11101002121966 has 4 divisors (see below), whose sum is σ = 16651503182952. Its totient is φ = 5550501060982.

The previous prime is 11101002121861. The next prime is 11101002121967. The reversal of 11101002121966 is 66912120010111.

It is a happy number.

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

It is a super-2 number, since 2×11101002121966² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101002121967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775250530490 + ... + 2775250530493.

It is an arithmetic number, because the mean of its divisors is an integer number (4162875795738).

Almost surely, 2^{11101002121966} is an apocalyptic number.

11101002121966 is a deficient number, since it is larger than the sum of its proper divisors (5550501060986).

11101002121966 is an equidigital number, since it uses as much as digits as its factorization.

11101002121966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5550501060985.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 11101002121966 in words is "eleven trillion, one hundred one billion, two million, one hundred twenty-one thousand, nine hundred sixty-six".