1021220002211 has 8 divisors (see below), whose sum is σ = 1099967689920. Its totient is φ = 944972241192.

The previous prime is 1021220002199. The next prime is 1021220002219. The reversal of 1021220002211 is 1122000221201.

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 1021220002211 - 2⁶ = 1021220002147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021220002219) 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, 624980825 + ... + 624982458.

It is an arithmetic number, because the mean of its divisors is an integer number (137495961240).

Almost surely, 2^{1021220002211} is an apocalyptic number.

1021220002211 is a deficient number, since it is larger than the sum of its proper divisors (78747687709).

1021220002211 is a wasteful number, since it uses less digits than its factorization.

1021220002211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249963345.

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

Adding to 1021220002211 its reverse (1122000221201), we get a palindrome (2143220223412).

The spelling of 1021220002211 in words is "one trillion, twenty-one billion, two hundred twenty million, two thousand, two hundred eleven".