1020021201211 has 8 divisors (see below), whose sum is σ = 1036350313040. Its totient is φ = 1003724587008.

The previous prime is 1020021201181. The next prime is 1020021201223. The reversal of 1020021201211 is 1121021200201.

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 1020021201211 - 2¹³ = 1020021193019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1020021201191 and 1020021201200.

It is not an unprimeable number, because it can be changed into a prime (1020021201611) 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, 8061126 + ... + 8186683.

It is an arithmetic number, because the mean of its divisors is an integer number (129543789130).

Almost surely, 2^{1020021201211} is an apocalyptic number.

1020021201211 is a deficient number, since it is larger than the sum of its proper divisors (16329111829).

1020021201211 is an equidigital number, since it uses as much as digits as its factorization.

1020021201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16248813.

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

Adding to 1020021201211 its reverse (1121021200201), we get a palindrome (2141042401412).

The spelling of 1020021201211 in words is "one trillion, twenty billion, twenty-one million, two hundred one thousand, two hundred eleven".