21011010012202 has 24 divisors (see below), whose sum is σ = 36854016526080. Its totient is φ = 8957573445240.

The previous prime is 21011010012197. The next prime is 21011010012211. The reversal of 21011010012202 is 20221001011012.

It is a super-3 number, since 3×21011010012202³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 561232752 + ... + 561270187.

It is an arithmetic number, because the mean of its divisors is an integer number (1535584021920).

Almost surely, 2^{21011010012202} is an apocalyptic number.

21011010012202 is a deficient number, since it is larger than the sum of its proper divisors (15843006513878).

21011010012202 is a wasteful number, since it uses less digits than its factorization.

21011010012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122503146 (or 1122503139 counting only the distinct ones).

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

Adding to 21011010012202 its reverse (20221001011012), we get a palindrome (41232011023214).

The spelling of 21011010012202 in words is "twenty-one trillion, eleven billion, ten million, twelve thousand, two hundred two".