210111222010100 has 36 divisors (see below), whose sum is σ = 455944049317344. Its totient is φ = 84043991558880.

The previous prime is 210111222010099. The next prime is 210111222010103. The reversal of 210111222010100 is 1010222111012.

It is a super-2 number, since 2×210111222010100² (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 (210111222010103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11008427 + ... + 23268173.

Almost surely, 2^{210111222010100} is an apocalyptic number.

210111222010100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210111222010100 is an abundant number, since it is smaller than the sum of its proper divisors (245832827307244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210111222010100 is a wasteful number, since it uses less digits than its factorization.

210111222010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431144 (or 12431137 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210111222010100 its reverse (1010222111012), we get a palindrome (211121444121112).

The spelling of 210111222010100 in words is "two hundred ten trillion, one hundred eleven billion, two hundred twenty-two million, ten thousand, one hundred".