21221102101119 has 16 divisors (see below), whose sum is σ = 28310048342784. Its totient is φ = 14139780177600.

The previous prime is 21221102101079. The next prime is 21221102101189. The reversal of 21221102101119 is 91110120112212.

It is not a de Polignac number, because 21221102101119 - 2²¹ = 21221100003967 is a prime.

It is a super-2 number, since 2×21221102101119² (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 (21221102101189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56129224 + ... + 56506034.

It is an arithmetic number, because the mean of its divisors is an integer number (1769378021424).

Almost surely, 2^{21221102101119} is an apocalyptic number.

21221102101119 is a deficient number, since it is larger than the sum of its proper divisors (7088946241665).

21221102101119 is a wasteful number, since it uses less digits than its factorization.

21221102101119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386878.

The product of its (nonzero) digits is 144, while the sum is 24.

The spelling of 21221102101119 in words is "twenty-one trillion, two hundred twenty-one billion, one hundred two million, one hundred one thousand, one hundred nineteen".