1030120123211 has 8 divisors (see below), whose sum is σ = 1065804471120. Its totient is φ = 994446639648.

The previous prime is 1030120123199. The next prime is 1030120123289. The reversal of 1030120123211 is 1123210210301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030120123211 is a prime.

It is a super-2 number, since 2×1030120123211² (a number of 25 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 1030120123211.

It is not an unprimeable number, because it can be changed into a prime (1030120123111) 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, 2522936 + ... + 2902661.

It is an arithmetic number, because the mean of its divisors is an integer number (133225558890).

Almost surely, 2^{1030120123211} is an apocalyptic number.

1030120123211 is a deficient number, since it is larger than the sum of its proper divisors (35684347909).

1030120123211 is an equidigital number, since it uses as much as digits as its factorization.

1030120123211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5432173.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1030120123211 its reverse (1123210210301), we get a palindrome (2153330333512).

The spelling of 1030120123211 in words is "one trillion, thirty billion, one hundred twenty million, one hundred twenty-three thousand, two hundred eleven".