20210311121201 has 8 divisors (see below), whose sum is σ = 20327286104640. Its totient is φ = 20093337889552.

The previous prime is 20210311121171. The next prime is 20210311121227. The reversal of 20210311121201 is 10212111301202.

It is a happy number.

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 20210311121201 - 2¹⁴ = 20210311104817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20210311121201.

It is not an unprimeable number, because it can be changed into a prime (20210311121501) 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, 28047890 + ... + 28759428.

It is an arithmetic number, because the mean of its divisors is an integer number (2540910763080).

Almost surely, 2^{20210311121201} is an apocalyptic number.

It is an amenable number.

20210311121201 is a deficient number, since it is larger than the sum of its proper divisors (116974983439).

20210311121201 is a wasteful number, since it uses less digits than its factorization.

20210311121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875895.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20210311121201 its reverse (10212111301202), we get a palindrome (30422422422403).

The spelling of 20210311121201 in words is "twenty trillion, two hundred ten billion, three hundred eleven million, one hundred twenty-one thousand, two hundred one".