1022201001205 has 16 divisors (see below), whose sum is σ = 1291227537600. Its totient is φ = 774704995200.

The previous prime is 1022201001163. The next prime is 1022201001209. The reversal of 1022201001205 is 5021001022201.

It is a happy number.

It is not a de Polignac number, because 1022201001205 - 2²⁷ = 1022066783477 is a prime.

It is a super-2 number, since 2×1022201001205² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022201001209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7004230 + ... + 7148680.

It is an arithmetic number, because the mean of its divisors is an integer number (80701721100).

Almost surely, 2^{1022201001205} is an apocalyptic number.

It is an amenable number.

1022201001205 is a deficient number, since it is larger than the sum of its proper divisors (269026536395).

1022201001205 is a wasteful number, since it uses less digits than its factorization.

1022201001205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218964.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 1022201001205 its reverse (5021001022201), we get a palindrome (6043202023406).

The spelling of 1022201001205 in words is "one trillion, twenty-two billion, two hundred one million, one thousand, two hundred five".