1022122220145 has 16 divisors (see below), whose sum is σ = 1761195210432. Its totient is φ = 503198631360.

The previous prime is 1022122220111. The next prime is 1022122220219. The reversal of 1022122220145 is 5410222212201.

It is a happy number.

It is not a de Polignac number, because 1022122220145 - 2¹⁵ = 1022122187377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620826011 + ... + 2620826400.

It is an arithmetic number, because the mean of its divisors is an integer number (110074700652).

Almost surely, 2^{1022122220145} is an apocalyptic number.

1022122220145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1022122220145 is a deficient number, since it is larger than the sum of its proper divisors (739072990287).

1022122220145 is a wasteful number, since it uses less digits than its factorization.

1022122220145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241652432.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 1022122220145 its reverse (5410222212201), we get a palindrome (6432344432346).

The spelling of 1022122220145 in words is "one trillion, twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, one hundred forty-five".