1211122130030 has 64 divisors (see below), whose sum is σ = 2287071279360. Its totient is φ = 461137453056.

The previous prime is 1211122129993. The next prime is 1211122130039. The reversal of 1211122130030 is 300312211121.

It is a junction number, because it is equal to n+sod(n) for n = 1211122129990 and 1211122130008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211122130039) 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, 54882779 + ... + 54904841.

It is an arithmetic number, because the mean of its divisors is an integer number (35735488740).

Almost surely, 2^{1211122130030} is an apocalyptic number.

1211122130030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211122130030 is a deficient number, since it is larger than the sum of its proper divisors (1075949149330).

1211122130030 is a wasteful number, since it uses less digits than its factorization.

1211122130030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24765.

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

Adding to 1211122130030 its reverse (300312211121), we get a palindrome (1511434341151).

The spelling of 1211122130030 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, one hundred thirty thousand, thirty".