1210220111330 has 32 divisors (see below), whose sum is σ = 2346435191808. Its totient is φ = 448103937600.

The previous prime is 1210220111281. The next prime is 1210220111341. The reversal of 1210220111330 is 331110220121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1210220111299 and 1210220111308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84861041 + ... + 84875300.

It is an arithmetic number, because the mean of its divisors is an integer number (73326099744).

Almost surely, 2^{1210220111330} is an apocalyptic number.

1210220111330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210220111330 is a deficient number, since it is larger than the sum of its proper divisors (1136215080478).

1210220111330 is a wasteful number, since it uses less digits than its factorization.

1210220111330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169736402.

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

Adding to 1210220111330 its reverse (331110220121), we get a palindrome (1541330331451).

The spelling of 1210220111330 in words is "one trillion, two hundred ten billion, two hundred twenty million, one hundred eleven thousand, three hundred thirty".