21212011011095 has 8 divisors (see below), whose sum is σ = 26332151600160. Its totient is φ = 16384449884320.

The previous prime is 21212011011089. The next prime is 21212011011151. The reversal of 21212011011095 is 59011011021212.

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

It is not a de Polignac number, because 21212011011095 - 2⁶ = 21212011011031 is a prime.

It is a super-2 number, since 2×21212011011095² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73144865411 + ... + 73144865700.

It is an arithmetic number, because the mean of its divisors is an integer number (3291518950020).

Almost surely, 2^{21212011011095} is an apocalyptic number.

21212011011095 is a deficient number, since it is larger than the sum of its proper divisors (5120140589065).

21212011011095 is a wasteful number, since it uses less digits than its factorization.

21212011011095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146289731145.

The product of its (nonzero) digits is 360, while the sum is 26.

The spelling of 21212011011095 in words is "twenty-one trillion, two hundred twelve billion, eleven million, eleven thousand, ninety-five".