1122101020225 has 6 divisors (see below), whose sum is σ = 1391405265110. Its totient is φ = 897680816160.

The previous prime is 1122101020219. The next prime is 1122101020253. The reversal of 1122101020225 is 5220201012211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 270391680064 + 851709340161 = 519992^2 + 922881^2 .

It is not a de Polignac number, because 1122101020225 - 2⁹ = 1122101019713 is a prime.

It is a super-2 number, since 2×1122101020225² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22442020380 + ... + 22442020429.

Almost surely, 2^{1122101020225} is an apocalyptic number.

It is an amenable number.

1122101020225 is a deficient number, since it is larger than the sum of its proper divisors (269304244885).

1122101020225 is an equidigital number, since it uses as much as digits as its factorization.

1122101020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44884040819 (or 44884040814 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 1122101020225 its reverse (5220201012211), we get a palindrome (6342302032436).

The spelling of 1122101020225 in words is "one trillion, one hundred twenty-two billion, one hundred one million, twenty thousand, two hundred twenty-five".