1011012121002 has 32 divisors (see below), whose sum is σ = 2184996578688. Its totient is φ = 310018936896.

The previous prime is 1011012121001. The next prime is 1011012121039. The reversal of 1011012121002 is 2001212101101.

It is not an unprimeable number, because it can be changed into a prime (1011012121001) by changing a digit.

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, 22096078 + ... + 22141785.

It is an arithmetic number, because the mean of its divisors is an integer number (68281143084).

Almost surely, 2^{1011012121002} is an apocalyptic number.

1011012121002 is an abundant number, since it is smaller than the sum of its proper divisors (1173984457686).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011012121002 is a wasteful number, since it uses less digits than its factorization.

1011012121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44238174.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011012121002 its reverse (2001212101101), we get a palindrome (3012224222103).

The spelling of 1011012121002 in words is "one trillion, eleven billion, twelve million, one hundred twenty-one thousand, two".