1002121143122 has 32 divisors (see below), whose sum is σ = 1645973179200. Its totient is φ = 453806046720.

The previous prime is 1002121143091. The next prime is 1002121143143. The reversal of 1002121143122 is 2213411212001.

It is a junction number, because it is equal to n+sod(n) for n = 1002121143094 and 1002121143103.

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, 12858629 + ... + 12936327.

It is an arithmetic number, because the mean of its divisors is an integer number (51436661850).

Almost surely, 2^{1002121143122} is an apocalyptic number.

1002121143122 is a deficient number, since it is larger than the sum of its proper divisors (643852036078).

1002121143122 is a wasteful number, since it uses less digits than its factorization.

1002121143122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79898.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1002121143122 its reverse (2213411212001), we get a palindrome (3215532355123).

The spelling of 1002121143122 in words is "one trillion, two billion, one hundred twenty-one million, one hundred forty-three thousand, one hundred twenty-two".