1211302111130 has 64 divisors (see below), whose sum is σ = 2257948224000. Its totient is φ = 467560558080.

The previous prime is 1211302111067. The next prime is 1211302111133. The reversal of 1211302111130 is 311112031121.

It is a junction number, because it is equal to n+sod(n) for n = 1211302111099 and 1211302111108.

It is not an unprimeable number, because it can be changed into a prime (1211302111133) 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, 14559029 + ... + 14641991.

It is an arithmetic number, because the mean of its divisors is an integer number (35280441000).

Almost surely, 2^{1211302111130} is an apocalyptic number.

1211302111130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211302111130 is a deficient number, since it is larger than the sum of its proper divisors (1046646112870).

1211302111130 is a wasteful number, since it uses less digits than its factorization.

1211302111130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83399.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1211302111130 its reverse (311112031121), we get a palindrome (1522414142251).

The spelling of 1211302111130 in words is "one trillion, two hundred eleven billion, three hundred two million, one hundred eleven thousand, one hundred thirty".