21012012210119 has 8 divisors (see below), whose sum is σ = 24524658628608. Its totient is φ = 17627098388760.

The previous prime is 21012012210083. The next prime is 21012012210149. The reversal of 21012012210119 is 91101221021012.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-21012012210119 is a prime.

It is a super-2 number, since 2×21012012210119² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21012012210094 and 21012012210103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21012012210149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31933148927 + ... + 31933149584.

It is an arithmetic number, because the mean of its divisors is an integer number (3065582328576).

Almost surely, 2^{21012012210119} is an apocalyptic number.

21012012210119 is a deficient number, since it is larger than the sum of its proper divisors (3512646418489).

21012012210119 is an equidigital number, since it uses as much as digits as its factorization.

21012012210119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63866298565.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 21012012210119 in words is "twenty-one trillion, twelve billion, twelve million, two hundred ten thousand, one hundred nineteen".