121045211 has 8 divisors (see below), whose sum is σ = 138407424. Its totient is φ = 103700520.

The previous prime is 121045193. The next prime is 121045229. The reversal of 121045211 is 112540121.

It is an interprime number because it is at equal distance from previous prime (121045193) and next prime (121045229).

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

It is not a de Polignac number, because 121045211 - 2⁶ = 121045147 is a prime.

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 121045211.

It is not an unprimeable number, because it can be changed into a prime (121045511) 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, 18206 + ... + 23948.

It is an arithmetic number, because the mean of its divisors is an integer number (17300928).

Almost surely, 2^121045211 is an apocalyptic number.

121045211 is a deficient number, since it is larger than the sum of its proper divisors (17362213).

121045211 is an equidigital number, since it uses as much as digits as its factorization.

121045211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 121045211 is about 11002.0548535262. The cubic root of 121045211 is about 494.6703392874.

Adding to 121045211 its reverse (112540121), we get a palindrome (233585332).

The spelling of 121045211 in words is "one hundred twenty-one million, forty-five thousand, two hundred eleven".