1002222001121 has 32 divisors (see below), whose sum is σ = 1134868475520. Its totient is φ = 876715840000.

The previous prime is 1002222001111. The next prime is 1002222001133. The reversal of 1002222001121 is 1211002222001.

1002222001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002222001121 - 2⁶ = 1002222001057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002222001096 and 1002222001105.

It is not an unprimeable number, because it can be changed into a prime (1002222001111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143150621 + ... + 143157621.

It is an arithmetic number, because the mean of its divisors is an integer number (35464639860).

Almost surely, 2^{1002222001121} is an apocalyptic number.

1002222001121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1002222001121 is a deficient number, since it is larger than the sum of its proper divisors (132646474399).

1002222001121 is a wasteful number, since it uses less digits than its factorization.

1002222001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8497.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1002222001121 its reverse (1211002222001), we get a palindrome (2213224223122).

It can be divided in two parts, 1002222001 and 121, that multiplied together give a palindrome (121268862121).

The spelling of 1002222001121 in words is "one trillion, two billion, two hundred twenty-two million, one thousand, one hundred twenty-one".