102213091 has 8 divisors (see below), whose sum is σ = 104039424. Its totient is φ = 100397640.

The previous prime is 102213079. The next prime is 102213101. The reversal of 102213091 is 190312201.

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 102213091 - 2¹³ = 102204899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102213011) 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, 17550 + ... + 22636.

It is an arithmetic number, because the mean of its divisors is an integer number (13004928).

Almost surely, 2^102213091 is an apocalyptic number.

102213091 is a deficient number, since it is larger than the sum of its proper divisors (1826333).

102213091 is an equidigital number, since it uses as much as digits as its factorization.

102213091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 102213091 is about 10110.0490107615. The cubic root of 102213091 is about 467.5580161921.

Adding to 102213091 its reverse (190312201), we get a palindrome (292525292).

The spelling of 102213091 in words is "one hundred two million, two hundred thirteen thousand, ninety-one".