2000121010 has 32 divisors (see below), whose sum is σ = 3736283760. Its totient is φ = 769988352.

The previous prime is 2000121001. The next prime is 2000121029. The reversal of 2000121010 is 101210002.

It can be written as a sum of positive squares in 8 ways, for example, as 836424241 + 1163696769 = 28921^2 + 34113^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2000120984 and 2000121002.

It is an unprimeable number.

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, 81052 + ... + 102808.

Almost surely, 2^2000121010 is an apocalyptic number.

2000121010 is a deficient number, since it is larger than the sum of its proper divisors (1736162750).

2000121010 is a wasteful number, since it uses less digits than its factorization.

2000121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22110.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2000121010 is about 44722.7124624614. The cubic root of 2000121010 is about 1259.9464598901.

Adding to 2000121010 its reverse (101210002), we get a palindrome (2101331012).

The spelling of 2000121010 in words is "two billion, one hundred twenty-one thousand, ten".