101211222110 has 32 divisors (see below), whose sum is σ = 182744432640. Its totient is φ = 40359260448.

The previous prime is 101211222097. The next prime is 101211222121. The reversal of 101211222110 is 11222112101.

It is a super-2 number, since 2×101211222110² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5657039 + ... + 5674901.

It is an arithmetic number, because the mean of its divisors is an integer number (5710763520).

Almost surely, 2^101211222110 is an apocalyptic number.

101211222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211222110 is a deficient number, since it is larger than the sum of its proper divisors (81533210530).

101211222110 is a wasteful number, since it uses less digits than its factorization.

101211222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19592.

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

Adding to 101211222110 its reverse (11222112101), we get a palindrome (112433334211).

The spelling of 101211222110 in words is "one hundred one billion, two hundred eleven million, two hundred twenty-two thousand, one hundred ten".