30211201201121 has 32 divisors (see below), whose sum is σ = 32283611216640. Its totient is φ = 28237557427200.

The previous prime is 30211201201087. The next prime is 30211201201127. The reversal of 30211201201121 is 12110210211203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30211201201121 - 2¹⁰ = 30211201200097 is a prime.

It is a super-2 number, since 2×30211201201121² (a number of 28 digits) 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 30211201201121.

It is not an unprimeable number, because it can be changed into a prime (30211201201127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13900580 + ... + 15926346.

It is an arithmetic number, because the mean of its divisors is an integer number (1008862850520).

Almost surely, 2^{30211201201121} is an apocalyptic number.

It is an amenable number.

30211201201121 is a deficient number, since it is larger than the sum of its proper divisors (2072410015519).

30211201201121 is a wasteful number, since it uses less digits than its factorization.

30211201201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026025.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 30211201201121 its reverse (12110210211203), we get a palindrome (42321411412324).

The spelling of 30211201201121 in words is "thirty trillion, two hundred eleven billion, two hundred one million, two hundred one thousand, one hundred twenty-one".