1220100211210 has 32 divisors (see below), whose sum is σ = 2412280517760. Its totient is φ = 442251425088.

The previous prime is 1220100211181. The next prime is 1220100211241. The reversal of 1220100211210 is 121120010221.

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, 139595197 + ... + 139603936.

It is an arithmetic number, because the mean of its divisors is an integer number (75383766180).

Almost surely, 2^{1220100211210} is an apocalyptic number.

1220100211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220100211210 is a deficient number, since it is larger than the sum of its proper divisors (1192180306550).

1220100211210 is a wasteful number, since it uses less digits than its factorization.

1220100211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279199182.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220100211210 its reverse (121120010221), we get a palindrome (1341220221431).

The spelling of 1220100211210 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, two hundred ten".