1201111110210 has 256 divisors, whose sum is σ = 3297735659520. Its totient is φ = 277307520000.

The previous prime is 1201111110179. The next prime is 1201111110211. The reversal of 1201111110210 is 120111111021.

It is not an unprimeable number, because it can be changed into a prime (1201111110211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 273537115 + ... + 273541505.

It is an arithmetic number, because the mean of its divisors is an integer number (12881779920).

Almost surely, 2^{1201111110210} is an apocalyptic number.

1201111110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201111110210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1648867829760).

1201111110210 is an abundant number, since it is smaller than the sum of its proper divisors (2096624549310).

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

1201111110210 is a wasteful number, since it uses less digits than its factorization.

1201111110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1201111110210 its reverse (120111111021), we get a palindrome (1321222221231).

It can be divided in two parts, 120111 and 1110210, that added together give a palindrome (1230321).

The spelling of 1201111110210 in words is "one trillion, two hundred one billion, one hundred eleven million, one hundred ten thousand, two hundred ten".