101211210110 has 32 divisors (see below), whose sum is σ = 185041154592. Its totient is φ = 39852236160.

The previous prime is 101211210091. The next prime is 101211210119. The reversal of 101211210110 is 11012112101.

It is a junction number, because it is equal to n+sod(n) for n = 101211210091 and 101211210100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101211210119) by changing a digit.

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, 9800 + ... + 450020.

It is an arithmetic number, because the mean of its divisors is an integer number (5782536081).

Almost surely, 2^101211210110 is an apocalyptic number.

101211210110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101211210110 is a deficient number, since it is larger than the sum of its proper divisors (83829944482).

101211210110 is a wasteful number, since it uses less digits than its factorization.

101211210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440588.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101211210110 its reverse (11012112101), we get a palindrome (112223322211).

The spelling of 101211210110 in words is "one hundred one billion, two hundred eleven million, two hundred ten thousand, one hundred ten".