1021021230211 has 8 divisors (see below), whose sum is σ = 1023645245904. Its totient is φ = 1018398917760.

The previous prime is 1021021230199. The next prime is 1021021230247. The reversal of 1021021230211 is 1120321201201.

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 1021021230211 - 2¹⁷ = 1021021099139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021021230811) 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, 779016 + ... + 1627546.

It is an arithmetic number, because the mean of its divisors is an integer number (127955655738).

Almost surely, 2^{1021021230211} is an apocalyptic number.

1021021230211 is a deficient number, since it is larger than the sum of its proper divisors (2624015693).

1021021230211 is an equidigital number, since it uses as much as digits as its factorization.

1021021230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851621.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1021021230211 its reverse (1120321201201), we get a palindrome (2141342431412).

The spelling of 1021021230211 in words is "one trillion, twenty-one billion, twenty-one million, two hundred thirty thousand, two hundred eleven".