21112210100002 has 8 divisors (see below), whose sum is σ = 36192360171456. Its totient is φ = 9048090042852.

The previous prime is 21112210099979. The next prime is 21112210100057. The reversal of 21112210100002 is 20000101221112.

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, 754007503558 + ... + 754007503585.

It is an arithmetic number, because the mean of its divisors is an integer number (4524045021432).

Almost surely, 2^{21112210100002} is an apocalyptic number.

21112210100002 is a deficient number, since it is larger than the sum of its proper divisors (15080150071454).

21112210100002 is a wasteful number, since it uses less digits than its factorization.

21112210100002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508015007152.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21112210100002 its reverse (20000101221112), we get a palindrome (41112311321114).

The spelling of 21112210100002 in words is "twenty-one trillion, one hundred twelve billion, two hundred ten million, one hundred thousand, two".