21220114430000 has 100 divisors (see below), whose sum is σ = 51378345360408. Its totient is φ = 8487661440000.

The previous prime is 21220114429973. The next prime is 21220114430057. The reversal of 21220114430000 is 3441102212.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 343999160 + ... + 344060840.

Almost surely, 2^{21220114430000} is an apocalyptic number.

21220114430000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21220114430000 is an abundant number, since it is smaller than the sum of its proper divisors (30158230930408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21220114430000 is an equidigital number, since it uses as much as digits as its factorization.

21220114430000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96112 (or 96091 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 21220114430000 its reverse (3441102212), we get a palindrome (21223555532212).

The spelling of 21220114430000 in words is "twenty-one trillion, two hundred twenty billion, one hundred fourteen million, four hundred thirty thousand".