101001022101011 has 4 divisors (see below), whose sum is σ = 101001045063912. Its totient is φ = 101000999138112.

The previous prime is 101001022100981. The next prime is 101001022101013. The reversal of 101001022101011 is 110101220100101.

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

It is a cyclic number.

It is not a de Polignac number, because 101001022101011 - 2⁴² = 96602975589907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001022100983 and 101001022101001.

It is not an unprimeable number, because it can be changed into a prime (101001022101013) 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, 2587001 + ... + 14446266.

It is an arithmetic number, because the mean of its divisors is an integer number (25250261265978).

Almost surely, 2^{101001022101011} is an apocalyptic number.

101001022101011 is a deficient number, since it is larger than the sum of its proper divisors (22962901).

101001022101011 is an equidigital number, since it uses as much as digits as its factorization.

101001022101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22962900.

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

Adding to 101001022101011 its reverse (110101220100101), we get a palindrome (211102242201112).

The spelling of 101001022101011 in words is "one hundred one trillion, one billion, twenty-two million, one hundred one thousand, eleven".