20021202001211 has 8 divisors (see below), whose sum is σ = 20148653193984. Its totient is φ = 19893840853480.

The previous prime is 20021202001169. The next prime is 20021202001279. The reversal of 20021202001211 is 11210020212002.

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 20021202001211 - 2¹⁰ = 20021202000187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20021202001291) 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, 22065125 + ... + 22954566.

It is an arithmetic number, because the mean of its divisors is an integer number (2518581649248).

Almost surely, 2^{20021202001211} is an apocalyptic number.

20021202001211 is a deficient number, since it is larger than the sum of its proper divisors (127451192773).

20021202001211 is a wasteful number, since it uses less digits than its factorization.

20021202001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45022521.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021202001211 its reverse (11210020212002), we get a palindrome (31231222213213).

The spelling of 20021202001211 in words is "twenty trillion, twenty-one billion, two hundred two million, one thousand, two hundred eleven".