1210100122220 has 96 divisors (see below), whose sum is σ = 2778081546240. Its totient is φ = 439108496640.

The previous prime is 1210100122177. The next prime is 1210100122241. The reversal of 1210100122220 is 222210010121.

It is a junction number, because it is equal to n+sod(n) for n = 1210100122195 and 1210100122204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382095077 + ... + 382098243.

It is an arithmetic number, because the mean of its divisors is an integer number (28938349440).

Almost surely, 2^{1210100122220} is an apocalyptic number.

1210100122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210100122220 is an abundant number, since it is smaller than the sum of its proper divisors (1567981424020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1210100122220 is a wasteful number, since it uses less digits than its factorization.

1210100122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303 (or 6301 counting only the distinct ones).

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

Adding to 1210100122220 its reverse (222210010121), we get a palindrome (1432310132341).

The spelling of 1210100122220 in words is "one trillion, two hundred ten billion, one hundred million, one hundred twenty-two thousand, two hundred twenty".