9120211201 has 4 divisors (see below), whose sum is σ = 9128889904. Its totient is φ = 9111532500.

The previous prime is 9120211159. The next prime is 9120211207. The reversal of 9120211201 is 1021120219.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 9120211201 - 2¹³ = 9120203009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9120211207) 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, 4337775 + ... + 4339876.

It is an arithmetic number, because the mean of its divisors is an integer number (2282222476).

Almost surely, 2^9120211201 is an apocalyptic number.

It is an amenable number.

9120211201 is a deficient number, since it is larger than the sum of its proper divisors (8678703).

9120211201 is a wasteful number, since it uses less digits than its factorization.

9120211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8678702.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 9120211201 is about 95499.7968636583. The cubic root of 9120211201 is about 2089.3039814326.

The spelling of 9120211201 in words is "nine billion, one hundred twenty million, two hundred eleven thousand, two hundred one".