2001201012022 has 4 divisors (see below), whose sum is σ = 3001801518036. Its totient is φ = 1000600506010.

The previous prime is 2001201011951. The next prime is 2001201012053. The reversal of 2001201012022 is 2202101021002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2001201011993 and 2001201012011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500300253004 + ... + 500300253007.

It is an arithmetic number, because the mean of its divisors is an integer number (750450379509).

Almost surely, 2^{2001201012022} is an apocalyptic number.

2001201012022 is a deficient number, since it is larger than the sum of its proper divisors (1000600506014).

2001201012022 is a wasteful number, since it uses less digits than its factorization.

2001201012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000600506013.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2001201012022 its reverse (2202101021002), we get a palindrome (4203302033024).

The spelling of 2001201012022 in words is "two trillion, one billion, two hundred one million, twelve thousand, twenty-two".