1020021022211 has 4 divisors (see below), whose sum is σ = 1032932680800. Its totient is φ = 1007109363624.

The previous prime is 1020021022201. The next prime is 1020021022243. The reversal of 1020021022211 is 1122201200201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020021022211 - 2⁶ = 1020021022147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020021022201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6455829176 + ... + 6455829333.

It is an arithmetic number, because the mean of its divisors is an integer number (258233170200).

Almost surely, 2^{1020021022211} is an apocalyptic number.

1020021022211 is a deficient number, since it is larger than the sum of its proper divisors (12911658589).

1020021022211 is an equidigital number, since it uses as much as digits as its factorization.

1020021022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911658588.

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

Adding to 1020021022211 its reverse (1122201200201), we get a palindrome (2142222222412).

The spelling of 1020021022211 in words is "one trillion, twenty billion, twenty-one million, twenty-two thousand, two hundred eleven".