1000101222211 has 16 divisors (see below), whose sum is σ = 1230918271744. Its totient is φ = 791273155104.

The previous prime is 1000101222173. The next prime is 1000101222233. The reversal of 1000101222211 is 1122221010001.

It is a cyclic number.

It is not a de Polignac number, because 1000101222211 - 2¹⁷ = 1000101091139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1000101222191 and 1000101222200.

It is not an unprimeable number, because it can be changed into a prime (1000101222011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7086640 + ... + 7226386.

It is an arithmetic number, because the mean of its divisors is an integer number (76932391984).

Almost surely, 2^{1000101222211} is an apocalyptic number.

1000101222211 is a deficient number, since it is larger than the sum of its proper divisors (230817049533).

1000101222211 is a wasteful number, since it uses less digits than its factorization.

1000101222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218410.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1000101222211 its reverse (1122221010001), we get a palindrome (2122322232212).

The spelling of 1000101222211 in words is "one trillion, one hundred one million, two hundred twenty-two thousand, two hundred eleven".