1211023121030 has 8 divisors (see below), whose sum is σ = 2179841617872. Its totient is φ = 484409248408.

The previous prime is 1211023121029. The next prime is 1211023121041. The reversal of 1211023121030 is 301213201121.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60551156042 + ... + 60551156061.

It is an arithmetic number, because the mean of its divisors is an integer number (272480202234).

Almost surely, 2^{1211023121030} is an apocalyptic number.

1211023121030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1211023121030 is a deficient number, since it is larger than the sum of its proper divisors (968818496842).

1211023121030 is a wasteful number, since it uses less digits than its factorization.

1211023121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121102312110.

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

Adding to 1211023121030 its reverse (301213201121), we get a palindrome (1512236322151).

The spelling of 1211023121030 in words is "one trillion, two hundred eleven billion, twenty-three million, one hundred twenty-one thousand, thirty".