1210101112210 has 16 divisors (see below), whose sum is σ = 2210692182336. Its totient is φ = 476815960368.

The previous prime is 1210101112201. The next prime is 1210101112229. The reversal of 1210101112210 is 122111010121.

It is a happy number.

It is a super-2 number, since 2×1210101112210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903059862 + ... + 903061201.

It is an arithmetic number, because the mean of its divisors is an integer number (138168261396).

Almost surely, 2^{1210101112210} is an apocalyptic number.

1210101112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210101112210 is a deficient number, since it is larger than the sum of its proper divisors (1000591070126).

1210101112210 is a wasteful number, since it uses less digits than its factorization.

1210101112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806121137.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1210101112210 its reverse (122111010121), we get a palindrome (1332212122331).

The spelling of 1210101112210 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, two hundred ten".