21211111200119 has 8 divisors (see below), whose sum is σ = 21282388946448. Its totient is φ = 21139876802880.

The previous prime is 21211111200101. The next prime is 21211111200137. The reversal of 21211111200119 is 91100211111212.

It is an interprime number because it is at equal distance from previous prime (21211111200101) and next prime (21211111200137).

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-21211111200119 is a prime.

It is a super-3 number, since 3×21211111200119³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21211111200094 and 21211111200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21211111200179) 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, 9856862 + ... + 11814395.

It is an arithmetic number, because the mean of its divisors is an integer number (2660298618306).

Almost surely, 2^{21211111200119} is an apocalyptic number.

21211111200119 is a deficient number, since it is larger than the sum of its proper divisors (71277746329).

21211111200119 is a wasteful number, since it uses less digits than its factorization.

21211111200119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21674545.

The product of its (nonzero) digits is 72, while the sum is 23.

The spelling of 21211111200119 in words is "twenty-one trillion, two hundred eleven billion, one hundred eleven million, two hundred thousand, one hundred nineteen".