20020101021211 has 8 divisors (see below), whose sum is σ = 20058883582320. Its totient is φ = 19981320381792.

The previous prime is 20020101021187. The next prime is 20020101021223. The reversal of 20020101021211 is 11212010102002.

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 20020101021211 - 2⁷ = 20020101021083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020101021191 and 20020101021200.

It is not an unprimeable number, because it can be changed into a prime (20020101021241) 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, 21333561 + ... + 22252213.

It is an arithmetic number, because the mean of its divisors is an integer number (2507360447790).

Almost surely, 2^{20020101021211} is an apocalyptic number.

20020101021211 is a deficient number, since it is larger than the sum of its proper divisors (38782561109).

20020101021211 is an equidigital number, since it uses as much as digits as its factorization.

20020101021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960845.

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

Adding to 20020101021211 its reverse (11212010102002), we get a palindrome (31232111123213).

The spelling of 20020101021211 in words is "twenty trillion, twenty billion, one hundred one million, twenty-one thousand, two hundred eleven".