102211669 has 4 divisors (see below), whose sum is σ = 116813344. Its totient is φ = 87609996.

The previous prime is 102211663. The next prime is 102211673. The reversal of 102211669 is 966112201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 966112201 = 167 ⋅5785103.

It is a cyclic number.

It is not a de Polignac number, because 102211669 - 2¹¹ = 102209621 is a prime.

It is a super-2 number, since 2×102211669² = 20894450559531122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102211663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7300827 + ... + 7300840.

It is an arithmetic number, because the mean of its divisors is an integer number (29203336).

Almost surely, 2^102211669 is an apocalyptic number.

It is an amenable number.

102211669 is a deficient number, since it is larger than the sum of its proper divisors (14601675).

102211669 is an equidigital number, since it uses as much as digits as its factorization.

102211669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14601674.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 102211669 is about 10109.9786844484. The cubic root of 102211669 is about 467.5558479422. Note that the first 3 decimals are identical.

The spelling of 102211669 in words is "one hundred two million, two hundred eleven thousand, six hundred sixty-nine".