101022020121111 has 8 divisors (see below), whose sum is σ = 137981295775344. Its totient is φ = 65705378940480.

The previous prime is 101022020121103. The next prime is 101022020121157. The reversal of 101022020121111 is 111121020220101.

It is a happy number.

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

It is not a de Polignac number, because 101022020121111 - 2³ = 101022020121103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101022020121181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410658618256 + ... + 410658618501.

It is an arithmetic number, because the mean of its divisors is an integer number (17247661971918).

Almost surely, 2^{101022020121111} is an apocalyptic number.

101022020121111 is a deficient number, since it is larger than the sum of its proper divisors (36959275654233).

101022020121111 is an equidigital number, since it uses as much as digits as its factorization.

101022020121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821317236801.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 101022020121111 its reverse (111121020220101), we get a palindrome (212143040341212).

The spelling of 101022020121111 in words is "one hundred one trillion, twenty-two billion, twenty million, one hundred twenty-one thousand, one hundred eleven".