213110101220330 has 32 divisors (see below), whose sum is σ = 386400968880336. Its totient is φ = 84621208021504.

The previous prime is 213110101220243. The next prime is 213110101220351. The reversal of 213110101220330 is 33022101011312.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 133623265559809 + 79486835660521 = 11559553^2 + 8915539^2 .

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, 220082792 + ... + 221048988.

Almost surely, 2^{213110101220330} is an apocalyptic number.

213110101220330 is a deficient number, since it is larger than the sum of its proper divisors (173290867660006).

213110101220330 is a wasteful number, since it uses less digits than its factorization.

213110101220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127338.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 213110101220330 its reverse (33022101011312), we get a palindrome (246132202231642).

The spelling of 213110101220330 in words is "two hundred thirteen trillion, one hundred ten billion, one hundred one million, two hundred twenty thousand, three hundred thirty".