1201110223220 has 12 divisors (see below), whose sum is σ = 2522331468804. Its totient is φ = 480444089280.

The previous prime is 1201110223213. The next prime is 1201110223253. The reversal of 1201110223220 is 223220111021.

It can be written as a sum of positive squares in 2 ways, for example, as 436136084836 + 764974138384 = 660406^2 + 874628^2 .

It is a congruent number.

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, 30027755561 + ... + 30027755600.

It is an arithmetic number, because the mean of its divisors is an integer number (210194289067).

Almost surely, 2^{1201110223220} is an apocalyptic number.

1201110223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201110223220 is an abundant number, since it is smaller than the sum of its proper divisors (1321221245584).

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

1201110223220 is a wasteful number, since it uses less digits than its factorization.

1201110223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60055511170 (or 60055511168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1201110223220 its reverse (223220111021), we get a palindrome (1424330334241).

The spelling of 1201110223220 in words is "one trillion, two hundred one billion, one hundred ten million, two hundred twenty-three thousand, two hundred twenty".