10020221001211 has 4 divisors (see below), whose sum is σ = 10253249396632. Its totient is φ = 9787192605792.

The previous prime is 10020221001199. The next prime is 10020221001239. The reversal of 10020221001211 is 11210012202001.

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 10020221001211 - 2¹³ = 10020220993019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020221001191 and 10020221001200.

It is not an unprimeable number, because it can be changed into a prime (10020221001611) 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, 116514197646 + ... + 116514197731.

It is an arithmetic number, because the mean of its divisors is an integer number (2563312349158).

Almost surely, 2^{10020221001211} is an apocalyptic number.

10020221001211 is a deficient number, since it is larger than the sum of its proper divisors (233028395421).

10020221001211 is an equidigital number, since it uses as much as digits as its factorization.

10020221001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233028395420.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10020221001211 its reverse (11210012202001), we get a palindrome (21230233203212).

The spelling of 10020221001211 in words is "ten trillion, twenty billion, two hundred twenty-one million, one thousand, two hundred eleven".