1022120221095 has 16 divisors (see below), whose sum is σ = 1817102615520. Its totient is φ = 545130784512.

The previous prime is 1022120221093. The next prime is 1022120221121. The reversal of 1022120221095 is 5901220212201.

It is a happy number.

It is not a de Polignac number, because 1022120221095 - 2¹ = 1022120221093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022120221093) 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, 3785630314 + ... + 3785630583.

It is an arithmetic number, because the mean of its divisors is an integer number (113568913470).

Almost surely, 2^{1022120221095} is an apocalyptic number.

1022120221095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1022120221095 is a deficient number, since it is larger than the sum of its proper divisors (794982394425).

1022120221095 is an equidigital number, since it uses as much as digits as its factorization.

1022120221095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7571260911 (or 7571260905 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 1022120221095 its reverse (5901220212201), we get a palindrome (6923340433296).

The spelling of 1022120221095 in words is "one trillion, twenty-two billion, one hundred twenty million, two hundred twenty-one thousand, ninety-five".