1106397200621 has 8 divisors (see below), whose sum is σ = 1107361745784. Its totient is φ = 1105432983040.

The previous prime is 1106397200617. The next prime is 1106397200627. The reversal of 1106397200621 is 1260027936011.

It can be written as a sum of positive squares in 4 ways, for example, as 90820900 + 1106306379721 = 9530^2 + 1051811^2 .

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 1106397200621 - 2² = 1106397200617 is a prime.

It is a super-2 number, since 2×1106397200621² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1106397200627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6936041 + ... + 7093761.

It is an arithmetic number, because the mean of its divisors is an integer number (138420218223).

Almost surely, 2^{1106397200621} is an apocalyptic number.

It is an amenable number.

1106397200621 is a deficient number, since it is larger than the sum of its proper divisors (964545163).

1106397200621 is a wasteful number, since it uses less digits than its factorization.

1106397200621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163791.

The product of its (nonzero) digits is 27216, while the sum is 38.

The spelling of 1106397200621 in words is "one trillion, one hundred six billion, three hundred ninety-seven million, two hundred thousand, six hundred twenty-one".