1201111200010 has 32 divisors (see below), whose sum is σ = 2167574256000. Its totient is φ = 479207252160.

The previous prime is 1201111199989. The next prime is 1201111200019. The reversal of 1201111200010 is 100021111021.

It is a super-2 number, since 2×1201111200010² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 1201111200010.

It is not an unprimeable number, because it can be changed into a prime (1201111200019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6552505 + ... + 6733315.

It is an arithmetic number, because the mean of its divisors is an integer number (67736695500).

Almost surely, 2^{1201111200010} is an apocalyptic number.

1201111200010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201111200010 is a deficient number, since it is larger than the sum of its proper divisors (966463055990).

1201111200010 is a wasteful number, since it uses less digits than its factorization.

1201111200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182526.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1201111200010 its reverse (100021111021), we get a palindrome (1301132311031).

The spelling of 1201111200010 in words is "one trillion, two hundred one billion, one hundred eleven million, two hundred thousand, ten".