10211210121010 has 16 divisors (see below), whose sum is σ = 18392489147736. Its totient is φ = 4081748286208.

The previous prime is 10211210120987. The next prime is 10211210121037. The reversal of 10211210121010 is 1012101211201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10210855966249 + 354154761 = 3195443^2 + 18819^2 .

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, 341954599 + ... + 341984458.

Almost surely, 2^{10211210121010} is an apocalyptic number.

10211210121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10211210121010 is a deficient number, since it is larger than the sum of its proper divisors (8181279026726).

10211210121010 is a wasteful number, since it uses less digits than its factorization.

10211210121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683940557.

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

Adding to 10211210121010 its reverse (1012101211201), we get a palindrome (11223311332211).

The spelling of 10211210121010 in words is "ten trillion, two hundred eleven billion, two hundred ten million, one hundred twenty-one thousand, ten".