1022001011211 has 16 divisors (see below), whose sum is σ = 1401582655616. Its totient is φ = 662040884736.

The previous prime is 1022001011189. The next prime is 1022001011221. The reversal of 1022001011211 is 1121101002201.

1022001011211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1022001011211 - 2¹⁸ = 1022000749067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1022001011221) 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, 20499685 + ... + 20549478.

It is an arithmetic number, because the mean of its divisors is an integer number (87598915976).

Almost surely, 2^{1022001011211} is an apocalyptic number.

1022001011211 is a deficient number, since it is larger than the sum of its proper divisors (379581644405).

1022001011211 is a wasteful number, since it uses less digits than its factorization.

1022001011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41049402.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1022001011211 its reverse (1121101002201), we get a palindrome (2143102013412).

The spelling of 1022001011211 in words is "one trillion, twenty-two billion, one million, eleven thousand, two hundred eleven".