1011010120002 has 24 divisors (see below), whose sum is σ = 2201641335036. Its totient is φ = 335292695136.

The previous prime is 1011010119989. The next prime is 1011010120007. The reversal of 1011010120002 is 2000210101101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 964970264241 + 46039855761 = 982329^2 + 214569^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1011010120007) 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 11 ways as a sum of consecutive naturals, for example, 142552873 + ... + 142559964.

Almost surely, 2^{1011010120002} is an apocalyptic number.

1011010120002 is an abundant number, since it is smaller than the sum of its proper divisors (1190631215034).

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

1011010120002 is a wasteful number, since it uses less digits than its factorization.

1011010120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285113042 (or 285113039 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1011010120002 its reverse (2000210101101), we get a palindrome (3011220221103).

The spelling of 1011010120002 in words is "one trillion, eleven billion, ten million, one hundred twenty thousand, two".