1100102121001 has 4 divisors (see below), whose sum is σ = 1184725361092. Its totient is φ = 1015478880912.

The previous prime is 1100102120969. The next prime is 1100102121011. The reversal of 1100102121001 is 1001212010011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77981121001 + 1022121000000 = 279251^2 + 1011000^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100102121001 - 2⁵ = 1100102120969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100102121011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42311620026 + ... + 42311620051.

It is an arithmetic number, because the mean of its divisors is an integer number (296181340273).

Almost surely, 2^{1100102121001} is an apocalyptic number.

It is an amenable number.

1100102121001 is a deficient number, since it is larger than the sum of its proper divisors (84623240091).

1100102121001 is an equidigital number, since it uses as much as digits as its factorization.

1100102121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84623240090.

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

Adding to 1100102121001 its reverse (1001212010011), we get a palindrome (2101314131012).

The spelling of 1100102121001 in words is "one trillion, one hundred billion, one hundred two million, one hundred twenty-one thousand, one".