21002220011202 has 8 divisors (see below), whose sum is σ = 42004440022416. Its totient is φ = 7000740003732.

The previous prime is 21002220011189. The next prime is 21002220011341. The reversal of 21002220011202 is 20211002220012.

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

21002220011202 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1750185000928 + ... + 1750185000939.

It is an arithmetic number, because the mean of its divisors is an integer number (5250555002802).

Almost surely, 2^{21002220011202} is an apocalyptic number.

21002220011202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21002220011202 is a wasteful number, since it uses less digits than its factorization.

21002220011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500370001872.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21002220011202 its reverse (20211002220012), we get a palindrome (41213222231214).

The spelling of 21002220011202 in words is "twenty-one trillion, two billion, two hundred twenty million, eleven thousand, two hundred two".