122021101011 has 8 divisors (see below), whose sum is σ = 162783664384. Its totient is φ = 81302969160.

The previous prime is 122021100997. The next prime is 122021101039. The reversal of 122021101011 is 110101120221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122021101011 - 2⁵ = 122021100979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122021101511) 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 7 ways as a sum of consecutive naturals, for example, 11101471 + ... + 11112456.

It is an arithmetic number, because the mean of its divisors is an integer number (20347958048).

Almost surely, 2^122021101011 is an apocalyptic number.

122021101011 is a deficient number, since it is larger than the sum of its proper divisors (40762563373).

122021101011 is a wasteful number, since it uses less digits than its factorization.

122021101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22215761.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122021101011 its reverse (110101120221), we get a palindrome (232122221232).

The spelling of 122021101011 in words is "one hundred twenty-two billion, twenty-one million, one hundred one thousand, eleven".