1010121020002 has 8 divisors (see below), whose sum is σ = 1515647319516. Its totient is φ = 504905246832.

The previous prime is 1010121019981. The next prime is 1010121020039. The reversal of 1010121020002 is 2000201210101.

It can be written as a sum of positive squares in 2 ways, for example, as 893499453001 + 116621567001 = 945251^2 + 341499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77623453 + ... + 77636464.

Almost surely, 2^{1010121020002} is an apocalyptic number.

1010121020002 is a deficient number, since it is larger than the sum of its proper divisors (505526299514).

1010121020002 is a wasteful number, since it uses less digits than its factorization.

1010121020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155263172.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1010121020002 its reverse (2000201210101), we get a palindrome (3010322230103).

The spelling of 1010121020002 in words is "one trillion, ten billion, one hundred twenty-one million, twenty thousand, two".