2000221121012 has 12 divisors (see below), whose sum is σ = 3500422227876. Its totient is φ = 1000100484480.

The previous prime is 2000221121009. The next prime is 2000221121021. The reversal of 2000221121012 is 2101211220002.

It can be written as a sum of positive squares in 2 ways, for example, as 1935198160996 + 65022960016 = 1391114^2 + 254996^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063189 + ... + 2873532.

It is an arithmetic number, because the mean of its divisors is an integer number (291701852323).

Almost surely, 2^{2000221121012} is an apocalyptic number.

It is an amenable number.

2000221121012 is a deficient number, since it is larger than the sum of its proper divisors (1500201106864).

2000221121012 is a wasteful number, since it uses less digits than its factorization.

2000221121012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038018 (or 5038016 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2000221121012 its reverse (2101211220002), we get a palindrome (4101432341014).

The spelling of 2000221121012 in words is "two trillion, two hundred twenty-one million, one hundred twenty-one thousand, twelve".