1210101120220 has 24 divisors (see below), whose sum is σ = 2549489930064. Its totient is φ = 482463766656.

The previous prime is 1210101120203. The next prime is 1210101120247. The reversal of 1210101120220 is 220211010121.

It is a self number, because there is not a number n which added to its sum of digits gives 1210101120220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98536297 + ... + 98548576.

It is an arithmetic number, because the mean of its divisors is an integer number (106228747086).

Almost surely, 2^{1210101120220} is an apocalyptic number.

1210101120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210101120220 is an abundant number, since it is smaller than the sum of its proper divisors (1339388809844).

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

1210101120220 is a wasteful number, since it uses less digits than its factorization.

1210101120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197085189 (or 197085187 counting only the distinct ones).

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

Adding to 1210101120220 its reverse (220211010121), we get a palindrome (1430312130341).

The spelling of 1210101120220 in words is "one trillion, two hundred ten billion, one hundred one million, one hundred twenty thousand, two hundred twenty".