1200110222101 has 24 divisors (see below), whose sum is σ = 1442706633216. Its totient is φ = 994359713760.

The previous prime is 1200110222083. The next prime is 1200110222117. The reversal of 1200110222101 is 1012220110021.

It is not a de Polignac number, because 1200110222101 - 2²¹ = 1200108124949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200110222401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 901995 + ... + 1792711.

It is an arithmetic number, because the mean of its divisors is an integer number (60112776384).

Almost surely, 2^{1200110222101} is an apocalyptic number.

It is an amenable number.

1200110222101 is a deficient number, since it is larger than the sum of its proper divisors (242596411115).

1200110222101 is an equidigital number, since it uses as much as digits as its factorization.

1200110222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891649 (or 891642 counting only the distinct ones).

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

Adding to 1200110222101 its reverse (1012220110021), we get a palindrome (2212330332122).

The spelling of 1200110222101 in words is "one trillion, two hundred billion, one hundred ten million, two hundred twenty-two thousand, one hundred one".