21122000002202 has 64 divisors (see below), whose sum is σ = 35368044871680. Its totient is φ = 9378183355200.

The previous prime is 21122000002199. The next prime is 21122000002223. The reversal of 21122000002202 is 20220000022112.

It is a super-2 number, since 2×21122000002202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1136376353 + ... + 1136394939.

It is an arithmetic number, because the mean of its divisors is an integer number (552625701120).

Almost surely, 2^{21122000002202} is an apocalyptic number.

21122000002202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21122000002202 is a deficient number, since it is larger than the sum of its proper divisors (14246044869478).

21122000002202 is a wasteful number, since it uses less digits than its factorization.

21122000002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20747.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21122000002202 its reverse (20220000022112), we get a palindrome (41342000024314).

The spelling of 21122000002202 in words is "twenty-one trillion, one hundred twenty-two billion, two thousand, two hundred two".