101102020011 has 6 divisors (see below), whose sum is σ = 146036251140. Its totient is φ = 67401346668.

The previous prime is 101102019947. The next prime is 101102020043. The reversal of 101102020011 is 110020201101.

It is a happy number.

It is not a de Polignac number, because 101102020011 - 2⁶ = 101102019947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 11233557779 = 101102020011 / (1 + 0 + 1 + 1 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 101102019975 and 101102020002.

It is not an unprimeable number, because it can be changed into a prime (101102020111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5616778881 + ... + 5616778898.

It is an arithmetic number, because the mean of its divisors is an integer number (24339375190).

Almost surely, 2^101102020011 is an apocalyptic number.

101102020011 is a deficient number, since it is larger than the sum of its proper divisors (44934231129).

101102020011 is a wasteful number, since it uses less digits than its factorization.

101102020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11233557785 (or 11233557782 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 101102020011 its reverse (110020201101), we get a palindrome (211122221112).

The spelling of 101102020011 in words is "one hundred one billion, one hundred two million, twenty thousand, eleven".