1201000010211 has 6 divisors (see below), whose sum is σ = 1734777792540. Its totient is φ = 800666673468.

The previous prime is 1201000010209. The next prime is 1201000010233. The reversal of 1201000010211 is 1120100001021.

It is a happy number.

It is not a de Polignac number, because 1201000010211 - 2¹ = 1201000010209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 133444445579 = 1201000010211 / (1 + 2 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1201000010193 and 1201000010202.

It is not an unprimeable number, because it can be changed into a prime (1201000010201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66722222781 + ... + 66722222798.

It is an arithmetic number, because the mean of its divisors is an integer number (289129632090).

Almost surely, 2^{1201000010211} is an apocalyptic number.

1201000010211 is a deficient number, since it is larger than the sum of its proper divisors (533777782329).

1201000010211 is a wasteful number, since it uses less digits than its factorization.

1201000010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133444445585 (or 133444445582 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1201000010211 its reverse (1120100001021), we get a palindrome (2321100011232).

The spelling of 1201000010211 in words is "one trillion, two hundred one billion, ten thousand, two hundred eleven".