202122001122011 has 4 divisors (see below), whose sum is σ = 202403116562400. Its totient is φ = 201840885681624.

The previous prime is 202122001121983. The next prime is 202122001122031. The reversal of 202122001122011 is 110221100221202.

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 202122001122011 - 2⁴² = 197723954610907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202122001122031) 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, 140557719116 + ... + 140557720553.

It is an arithmetic number, because the mean of its divisors is an integer number (50600779140600).

Almost surely, 2^{202122001122011} is an apocalyptic number.

202122001122011 is a deficient number, since it is larger than the sum of its proper divisors (281115440389).

202122001122011 is an equidigital number, since it uses as much as digits as its factorization.

202122001122011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281115440388.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202122001122011 its reverse (110221100221202), we get a palindrome (312343101343213).

The spelling of 202122001122011 in words is "two hundred two trillion, one hundred twenty-two billion, one million, one hundred twenty-two thousand, eleven".