220210121210 has 8 divisors (see below), whose sum is σ = 396378218196. Its totient is φ = 88084048480.

The previous prime is 220210121107. The next prime is 220210121251. The reversal of 220210121210 is 12121012022.

It can be written as a sum of positive squares in 2 ways, for example, as 201153147001 + 19056974209 = 448501^2 + 138047^2 .

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

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, 11010506051 + ... + 11010506070.

Almost surely, 2^220210121210 is an apocalyptic number.

220210121210 is a deficient number, since it is larger than the sum of its proper divisors (176168096986).

220210121210 is a wasteful number, since it uses less digits than its factorization.

220210121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22021012128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220210121210 its reverse (12121012022), we get a palindrome (232331133232).

The spelling of 220210121210 in words is "two hundred twenty billion, two hundred ten million, one hundred twenty-one thousand, two hundred ten".