1012020222211 has 4 divisors (see below), whose sum is σ = 1012244273712. Its totient is φ = 1011796170712.

The previous prime is 1012020222181. The next prime is 1012020222331. The reversal of 1012020222211 is 1122220202101.

It is a happy number.

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 1012020222211 - 2⁵ = 1012020222179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012020226211) 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, 112018975 + ... + 112028008.

It is an arithmetic number, because the mean of its divisors is an integer number (253061068428).

Almost surely, 2^{1012020222211} is an apocalyptic number.

1012020222211 is a deficient number, since it is larger than the sum of its proper divisors (224051501).

1012020222211 is an equidigital number, since it uses as much as digits as its factorization.

1012020222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224051500.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1012020222211 its reverse (1122220202101), we get a palindrome (2134240424312).

The spelling of 1012020222211 in words is "one trillion, twelve billion, twenty million, two hundred twenty-two thousand, two hundred eleven".