101001021021011 has 8 divisors (see below), whose sum is σ = 103350401807664. Its totient is φ = 98651663863200.

The previous prime is 101001021021001. The next prime is 101001021021037. The reversal of 101001021021011 is 110120120100101.

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 101001021021011 - 2¹⁸ = 101001020758867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001021020983 and 101001021021001.

It is not an unprimeable number, because it can be changed into a prime (101001021021001) 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, 2891861 + ... + 14503961.

It is an arithmetic number, because the mean of its divisors is an integer number (12918800225958).

Almost surely, 2^{101001021021011} is an apocalyptic number.

101001021021011 is a deficient number, since it is larger than the sum of its proper divisors (2349380786653).

101001021021011 is a wasteful number, since it uses less digits than its factorization.

101001021021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11814421.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101001021021011 its reverse (110120120100101), we get a palindrome (211121141121112).

The spelling of 101001021021011 in words is "one hundred one trillion, one billion, twenty-one million, twenty-one thousand, eleven".