202120101101 has 8 divisors (see below), whose sum is σ = 206755113600. Its totient is φ = 197499029728.

The previous prime is 202120101097. The next prime is 202120101119. The reversal of 202120101101 is 101101021202.

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

It is a cyclic number.

It is not a de Polignac number, because 202120101101 - 2² = 202120101097 is a prime.

It is a super-2 number, since 2×202120101101² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120104101) 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, 3455951 + ... + 3513948.

It is an arithmetic number, because the mean of its divisors is an integer number (25844389200).

Almost surely, 2^202120101101 is an apocalyptic number.

It is an amenable number.

202120101101 is a deficient number, since it is larger than the sum of its proper divisors (4635012499).

202120101101 is an equidigital number, since it uses as much as digits as its factorization.

202120101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6970563.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202120101101 its reverse (101101021202), we get a palindrome (303221122303).

The spelling of 202120101101 in words is "two hundred two billion, one hundred twenty million, one hundred one thousand, one hundred one".