1201001121110 has 64 divisors (see below), whose sum is σ = 2487117394944. Its totient is φ = 409029264000.

The previous prime is 1201001121071. The next prime is 1201001121139. The reversal of 1201001121110 is 111211001021.

It is a junction number, because it is equal to n+sod(n) for n = 1201001121091 and 1201001121100.

It is a congruent number.

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, 11133935 + ... + 11241285.

It is an arithmetic number, because the mean of its divisors is an integer number (38861209296).

Almost surely, 2^{1201001121110} is an apocalyptic number.

1201001121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201001121110 is an abundant number, since it is smaller than the sum of its proper divisors (1286116273834).

1201001121110 is a wasteful number, since it uses less digits than its factorization.

1201001121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108429.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1201001121110 its reverse (111211001021), we get a palindrome (1312212122131).

The spelling of 1201001121110 in words is "one trillion, two hundred one billion, one million, one hundred twenty-one thousand, one hundred ten".