1011210202001 has 4 divisors (see below), whose sum is σ = 1064431791600. Its totient is φ = 957988612404.

The previous prime is 1011210201997. The next prime is 1011210202027. The reversal of 1011210202001 is 1002020121101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1011210202001 - 2² = 1011210201997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011210202201) 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, 26610794771 + ... + 26610794808.

It is an arithmetic number, because the mean of its divisors is an integer number (266107947900).

Almost surely, 2^{1011210202001} is an apocalyptic number.

It is an amenable number.

1011210202001 is a deficient number, since it is larger than the sum of its proper divisors (53221589599).

1011210202001 is an equidigital number, since it uses as much as digits as its factorization.

1011210202001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53221589598.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011210202001 its reverse (1002020121101), we get a palindrome (2013230323102).

The spelling of 1011210202001 in words is "one trillion, eleven billion, two hundred ten million, two hundred two thousand, one".