1012222020111 has 4 divisors (see below), whose sum is σ = 1349629360152. Its totient is φ = 674814680072.

The previous prime is 1012222020109. The next prime is 1012222020133. The reversal of 1012222020111 is 1110202222101.

1012222020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1012222020111 - 2¹ = 1012222020109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222020151) 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, 168703670016 + ... + 168703670021.

It is an arithmetic number, because the mean of its divisors is an integer number (337407340038).

Almost surely, 2^{1012222020111} is an apocalyptic number.

1012222020111 is a deficient number, since it is larger than the sum of its proper divisors (337407340041).

1012222020111 is an equidigital number, since it uses as much as digits as its factorization.

1012222020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337407340040.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012222020111 its reverse (1110202222101), we get a palindrome (2122424242212).

The spelling of 1012222020111 in words is "one trillion, twelve billion, two hundred twenty-two million, twenty thousand, one hundred eleven".