1021010121002 has 16 divisors (see below), whose sum is σ = 1538334167040. Its totient is φ = 508234845168.

The previous prime is 1021010120983. The next prime is 1021010121023. The reversal of 1021010121002 is 2001210101201.

1021010121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41303 + ... + 1429589.

It is an arithmetic number, because the mean of its divisors is an integer number (96145885440).

Almost surely, 2^{1021010121002} is an apocalyptic number.

1021010121002 is a deficient number, since it is larger than the sum of its proper divisors (517324046038).

1021010121002 is a wasteful number, since it uses less digits than its factorization.

1021010121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389925.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1021010121002 its reverse (2001210101201), we get a palindrome (3022220222203).

The spelling of 1021010121002 in words is "one trillion, twenty-one billion, ten million, one hundred twenty-one thousand, two".