1011002210121 has 4 divisors (see below), whose sum is σ = 1348002946832. Its totient is φ = 674001473412.

The previous prime is 1011002210117. The next prime is 1011002210129. The reversal of 1011002210121 is 1210122001101.

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 not a de Polignac number, because 1011002210121 - 2² = 1011002210117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1011002210097 and 1011002210106.

It is not an unprimeable number, because it can be changed into a prime (1011002210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168500368351 + ... + 168500368356.

It is an arithmetic number, because the mean of its divisors is an integer number (337000736708).

Almost surely, 2^{1011002210121} is an apocalyptic number.

It is an amenable number.

1011002210121 is a deficient number, since it is larger than the sum of its proper divisors (337000736711).

1011002210121 is an equidigital number, since it uses as much as digits as its factorization.

1011002210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337000736710.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011002210121 its reverse (1210122001101), we get a palindrome (2221124211222).

The spelling of 1011002210121 in words is "one trillion, eleven billion, two million, two hundred ten thousand, one hundred twenty-one".