21110121202202 has 32 divisors (see below), whose sum is σ = 32490028454400. Its totient is φ = 10281456804528.

The previous prime is 21110121202139. The next prime is 21110121202207. The reversal of 21110121202202 is 20220212101112.

It is not an unprimeable number, because it can be changed into a prime (21110121202207) 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, 476730299 + ... + 476774577.

It is an arithmetic number, because the mean of its divisors is an integer number (1015313389200).

Almost surely, 2^{21110121202202} is an apocalyptic number.

21110121202202 is a deficient number, since it is larger than the sum of its proper divisors (11379907252198).

21110121202202 is a wasteful number, since it uses less digits than its factorization.

21110121202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59330.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21110121202202 its reverse (20220212101112), we get a palindrome (41330333303314).

The spelling of 21110121202202 in words is "twenty-one trillion, one hundred ten billion, one hundred twenty-one million, two hundred two thousand, two hundred two".