1200101001101 has 8 divisors (see below), whose sum is σ = 1228026390624. Its totient is φ = 1172176341840.

The previous prime is 1200101001059. The next prime is 1200101001107. The reversal of 1200101001101 is 1011001010021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200101001101 - 2⁶ = 1200101001037 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 (1200101001107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4557695 + ... + 4813811.

It is an arithmetic number, because the mean of its divisors is an integer number (153503298828).

Almost surely, 2^{1200101001101} is an apocalyptic number.

It is an amenable number.

1200101001101 is a deficient number, since it is larger than the sum of its proper divisors (27925389523).

1200101001101 is a wasteful number, since it uses less digits than its factorization.

1200101001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365131.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1200101001101 its reverse (1011001010021), we get a palindrome (2211102011122).

The spelling of 1200101001101 in words is "one trillion, two hundred billion, one hundred one million, one thousand, one hundred one".