1010002121210 has 16 divisors (see below), whose sum is σ = 1829583463176. Its totient is φ = 401427594048.

The previous prime is 1010002121207. The next prime is 1010002121243. The reversal of 1010002121210 is 121212000101.

It can be written as a sum of positive squares in 4 ways, for example, as 975968143921 + 34033977289 = 987911^2 + 184483^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1010002121191 and 1010002121200.

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, 321655157 + ... + 321658296.

Almost surely, 2^{1010002121210} is an apocalyptic number.

1010002121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1010002121210 is a deficient number, since it is larger than the sum of its proper divisors (819581341966).

1010002121210 is a wasteful number, since it uses less digits than its factorization.

1010002121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643313617.

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

Adding to 1010002121210 its reverse (121212000101), we get a palindrome (1131214121311).

The spelling of 1010002121210 in words is "one trillion, ten billion, two million, one hundred twenty-one thousand, two hundred ten".