121153211 has 8 divisors (see below), whose sum is σ = 122534640. Its totient is φ = 119776608.

The previous prime is 121153181. The next prime is 121153247. The reversal of 121153211 is 112351121.

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 121153211 - 2⁶ = 121153147 is a prime.

It is a super-2 number, since 2×121153211² = 29356201071221042, which 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 121153211.

It is not an unprimeable number, because it can be changed into a prime (121153261) 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, 75065 + ... + 76661.

It is an arithmetic number, because the mean of its divisors is an integer number (15316830).

Almost surely, 2^121153211 is an apocalyptic number.

121153211 is a deficient number, since it is larger than the sum of its proper divisors (1381429).

121153211 is a wasteful number, since it uses less digits than its factorization.

121153211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2413.

The product of its digits is 60, while the sum is 17.

The square root of 121153211 is about 11006.9619332493. The cubic root of 121153211 is about 494.8174152302.

The spelling of 121153211 in words is "one hundred twenty-one million, one hundred fifty-three thousand, two hundred eleven".