100202122221111 has 64 divisors (see below), whose sum is σ = 151439208076800. Its totient is φ = 65469600864000.

The previous prime is 100202122221083. The next prime is 100202122221119. The reversal of 100202122221111 is 111122221202001.

100202122221111 is a `hidden beast` number, since 10 + 0 + 202 + 122 + 221 + 111 = 666.

It is not a de Polignac number, because 100202122221111 - 2¹⁷ = 100202122090039 is a prime.

It is a super-2 number, since 2×100202122221111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100202122221119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 367225971 + ... + 367498731.

It is an arithmetic number, because the mean of its divisors is an integer number (2366237626200).

Almost surely, 2^{100202122221111} is an apocalyptic number.

100202122221111 is a deficient number, since it is larger than the sum of its proper divisors (51237085855689).

100202122221111 is a wasteful number, since it uses less digits than its factorization.

100202122221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274237 (or 274231 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 100202122221111 its reverse (111122221202001), we get a palindrome (211324343423112).

The spelling of 100202122221111 in words is "one hundred trillion, two hundred two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred eleven".