202110001121011 has 4 divisors (see below), whose sum is σ = 202110070169800. Its totient is φ = 202109932072224.

The previous prime is 202110001121009. The next prime is 202110001121129. The reversal of 202110001121011 is 110121100011202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202110001121011 - 2¹ = 202110001121009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202110001120982 and 202110001121000.

It is not an unprimeable number, because it can be changed into a prime (202110001121411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29930001 + ... + 36055858.

It is an arithmetic number, because the mean of its divisors is an integer number (50527517542450).

Almost surely, 2^{202110001121011} is an apocalyptic number.

202110001121011 is a deficient number, since it is larger than the sum of its proper divisors (69048789).

202110001121011 is an equidigital number, since it uses as much as digits as its factorization.

202110001121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69048788.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 202110001121011 its reverse (110121100011202), we get a palindrome (312231101132213).

The spelling of 202110001121011 in words is "two hundred two trillion, one hundred ten billion, one million, one hundred twenty-one thousand, eleven".