21110021002202 has 32 divisors (see below), whose sum is σ = 38500685657280. Its totient is φ = 8555707918080.

The previous prime is 21110021002199. The next prime is 21110021002207. The reversal of 21110021002202 is 20220012001112.

It is not an unprimeable number, because it can be changed into a prime (21110021002207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485358853 + ... + 1485373064.

It is an arithmetic number, because the mean of its divisors is an integer number (1203146426790).

Almost surely, 2^{21110021002202} is an apocalyptic number.

21110021002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21110021002202 is a deficient number, since it is larger than the sum of its proper divisors (17390664655078).

21110021002202 is a wasteful number, since it uses less digits than its factorization.

21110021002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970731966.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21110021002202 its reverse (20220012001112), we get a palindrome (41330033003314).

The spelling of 21110021002202 in words is "twenty-one trillion, one hundred ten billion, twenty-one million, two thousand, two hundred two".