1022201211 has 8 divisors (see below), whose sum is σ = 1443107664. Its totient is φ = 641381120.

The previous prime is 1022201209. The next prime is 1022201267. The reversal of 1022201211 is 1121022201.

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

It is a cyclic number.

It is not a de Polignac number, because 1022201211 - 2¹ = 1022201209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022201611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10021530 + ... + 10021631.

It is an arithmetic number, because the mean of its divisors is an integer number (180388458).

Almost surely, 2^1022201211 is an apocalyptic number.

1022201211 is a deficient number, since it is larger than the sum of its proper divisors (420906453).

1022201211 is a wasteful number, since it uses less digits than its factorization.

1022201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20043181.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1022201211 is about 31971.8815680279. The cubic root of 1022201211 is about 1007.3463033384.

Adding to 1022201211 its reverse (1121022201), we get a palindrome (2143223412).

The spelling of 1022201211 in words is "one billion, twenty-two million, two hundred one thousand, two hundred eleven".