1022222220011 has 4 divisors (see below), whose sum is σ = 1022302212624. Its totient is φ = 1022142227400.

The previous prime is 1022222219983. The next prime is 1022222220037. The reversal of 1022222220011 is 1100222222201.

It is a happy number.

1022222220011 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 1022222220011 - 2³⁰ = 1021148478187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022222220311) 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, 39977135 + ... + 40002696.

It is an arithmetic number, because the mean of its divisors is an integer number (255575553156).

Almost surely, 2^{1022222220011} is an apocalyptic number.

1022222220011 is a deficient number, since it is larger than the sum of its proper divisors (79992613).

1022222220011 is an equidigital number, since it uses as much as digits as its factorization.

1022222220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79992612.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1022222220011 its reverse (1100222222201), we get a palindrome (2122444442212).

The spelling of 1022222220011 in words is "one trillion, twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, eleven".