101212222210 has 128 divisors (see below), whose sum is σ = 216549531648. Its totient is φ = 33646080000.

The previous prime is 101212222123. The next prime is 101212222213. The reversal of 101212222210 is 12222212101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101212222213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10005055 + ... + 10015165.

It is an arithmetic number, because the mean of its divisors is an integer number (1691793216).

Almost surely, 2^101212222210 is an apocalyptic number.

101212222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212222210 is an abundant number, since it is smaller than the sum of its proper divisors (115337309438).

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

101212222210 is a wasteful number, since it uses less digits than its factorization.

101212222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101212222210 its reverse (12222212101), we get a palindrome (113434434311).

The spelling of 101212222210 in words is "one hundred one billion, two hundred twelve million, two hundred twenty-two thousand, two hundred ten".