2001001022210 has 8 divisors (see below), whose sum is σ = 3601801839996. Its totient is φ = 800400408880.

The previous prime is 2001001022147. The next prime is 2001001022243. The reversal of 2001001022210 is 122201001002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1823096748841 + 177904273369 = 1350221^2 + 421787^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2001001022191 and 2001001022200.

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, 100050051101 + ... + 100050051120.

Almost surely, 2^{2001001022210} is an apocalyptic number.

2001001022210 is a deficient number, since it is larger than the sum of its proper divisors (1600800817786).

2001001022210 is a wasteful number, since it uses less digits than its factorization.

2001001022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200100102228.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2001001022210 its reverse (122201001002), we get a palindrome (2123202023212).

The spelling of 2001001022210 in words is "two trillion, one billion, one million, twenty-two thousand, two hundred ten".