2210121210169 has 2 divisors, whose sum is σ = 2210121210170. Its totient is φ = 2210121210168.

The previous prime is 2210121210161. The next prime is 2210121210217. The reversal of 2210121210169 is 9610121210122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2029485160000 + 180636050169 = 1424600^2 + 425013^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210121210169 - 2³ = 2210121210161 is a prime.

It is a super-2 number, since 2×2210121210169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2210121210161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105060605084 + 1105060605085.

It is an arithmetic number, because the mean of its divisors is an integer number (1105060605085).

Almost surely, 2^{2210121210169} is an apocalyptic number.

It is an amenable number.

2210121210169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210121210169 is an equidigital number, since it uses as much as digits as its factorization.

2210121210169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 2210121210169 in words is "two trillion, two hundred ten billion, one hundred twenty-one million, two hundred ten thousand, one hundred sixty-nine".