101000122011 has 24 divisors (see below), whose sum is σ = 146377511280. Its totient is φ = 67108222656.

The previous prime is 101000122009. The next prime is 101000122031. The reversal of 101000122011 is 110221000101.

It is a happy number.

It is not a de Polignac number, because 101000122011 - 2¹ = 101000122009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 101000121984 and 101000122002.

It is not an unprimeable number, because it can be changed into a prime (101000122031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5486220 + ... + 5504598.

It is an arithmetic number, because the mean of its divisors is an integer number (6099062970).

Almost surely, 2^101000122011 is an apocalyptic number.

101000122011 is a deficient number, since it is larger than the sum of its proper divisors (45377389269).

101000122011 is a wasteful number, since it uses less digits than its factorization.

101000122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20395 (or 20392 counting only the distinct ones).

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

Adding to 101000122011 its reverse (110221000101), we get a palindrome (211221122112).

The spelling of 101000122011 in words is "one hundred one billion, one hundred twenty-two thousand, eleven".