1001020020122 has 32 divisors (see below), whose sum is σ = 1551468086784. Its totient is φ = 484093555200.

The previous prime is 1001020020089. The next prime is 1001020020167. The reversal of 1001020020122 is 2210200201001.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4293353 + ... + 4520499.

It is an arithmetic number, because the mean of its divisors is an integer number (48483377712).

Almost surely, 2^{1001020020122} is an apocalyptic number.

1001020020122 is a deficient number, since it is larger than the sum of its proper divisors (550448066662).

1001020020122 is a wasteful number, since it uses less digits than its factorization.

1001020020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227654.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1001020020122 its reverse (2210200201001), we get a palindrome (3211220221123).

The spelling of 1001020020122 in words is "one trillion, one billion, twenty million, twenty thousand, one hundred twenty-two".