21211122110002 has 8 divisors (see below), whose sum is σ = 34709108907312. Its totient is φ = 9641419140900.

The previous prime is 21211122109993. The next prime is 21211122110021. The reversal of 21211122110002 is 20001122111212.

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

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, 482070957024 + ... + 482070957067.

It is an arithmetic number, because the mean of its divisors is an integer number (4338638613414).

Almost surely, 2^{21211122110002} is an apocalyptic number.

21211122110002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21211122110002 is a deficient number, since it is larger than the sum of its proper divisors (13497986797310).

21211122110002 is a wasteful number, since it uses less digits than its factorization.

21211122110002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964141914104.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21211122110002 its reverse (20001122111212), we get a palindrome (41212244221214).

The spelling of 21211122110002 in words is "twenty-one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred ten thousand, two".