10210111220209 has 8 divisors (see below), whose sum is σ = 10237762865000. Its totient is φ = 10182461066496.

The previous prime is 10210111220207. The next prime is 10210111220219. The reversal of 10210111220209 is 90202211101201.

It can be written as a sum of positive squares in 4 ways, for example, as 1041950977600 + 9168160242609 = 1020760^2 + 3027897^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10210111220209 - 2¹ = 10210111220207 is a prime.

It is a super-2 number, since 2×10210111220209² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10210111220209.

It is not an unprimeable number, because it can be changed into a prime (10210111220207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14100169 + ... + 14806585.

It is an arithmetic number, because the mean of its divisors is an integer number (1279720358125).

Almost surely, 2^{10210111220209} is an apocalyptic number.

It is an amenable number.

10210111220209 is a deficient number, since it is larger than the sum of its proper divisors (27651644791).

10210111220209 is an equidigital number, since it uses as much as digits as its factorization.

10210111220209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745539.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 10210111220209 in words is "ten trillion, two hundred ten billion, one hundred eleven million, two hundred twenty thousand, two hundred nine".