101021110122011 has 4 divisors (see below), whose sum is σ = 103485039637224. Its totient is φ = 98557180606800.

The previous prime is 101021110121909. The next prime is 101021110122013. The reversal of 101021110122011 is 110221011120101.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101021110122011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101021110122013) 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, 1231964757545 + ... + 1231964757626.

It is an arithmetic number, because the mean of its divisors is an integer number (25871259909306).

Almost surely, 2^{101021110122011} is an apocalyptic number.

101021110122011 is a deficient number, since it is larger than the sum of its proper divisors (2463929515213).

101021110122011 is an equidigital number, since it uses as much as digits as its factorization.

101021110122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463929515212.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 101021110122011 its reverse (110221011120101), we get a palindrome (211242121242112).

The spelling of 101021110122011 in words is "one hundred one trillion, twenty-one billion, one hundred ten million, one hundred twenty-two thousand, eleven".