21221110010119 has 16 divisors (see below), whose sum is σ = 22007631140352. Its totient is φ = 20445823359648.

The previous prime is 21221110010117. The next prime is 21221110010123. The reversal of 21221110010119 is 91101001112212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 21221110010119 - 2¹ = 21221110010117 is a prime.

It is a super-2 number, since 2×21221110010119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21221110010119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21221110010117) 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, 63717702 + ... + 64049884.

It is an arithmetic number, because the mean of its divisors is an integer number (1375476946272).

Almost surely, 2^{21221110010119} is an apocalyptic number.

21221110010119 is a deficient number, since it is larger than the sum of its proper divisors (786521130233).

21221110010119 is a wasteful number, since it uses less digits than its factorization.

21221110010119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349086.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 21221110010119 in words is "twenty-one trillion, two hundred twenty-one billion, one hundred ten million, ten thousand, one hundred nineteen".