10212111102210 has 32 divisors (see below), whose sum is σ = 24509752863552. Its totient is φ = 2723153380800.

The previous prime is 10212111102169. The next prime is 10212111102227. The reversal of 10212111102210 is 1220111121201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212111102210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671949 + ... + 5823008.

It is an arithmetic number, because the mean of its divisors is an integer number (765929776986).

Almost surely, 2^{10212111102210} is an apocalyptic number.

10212111102210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10212111102210 is an abundant number, since it is smaller than the sum of its proper divisors (14297641761342).

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

10212111102210 is a wasteful number, since it uses less digits than its factorization.

10212111102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530818.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10212111102210 its reverse (1220111121201), we get a palindrome (11432222223411).

The spelling of 10212111102210 in words is "ten trillion, two hundred twelve billion, one hundred eleven million, one hundred two thousand, two hundred ten".