1022012211 has 16 divisors (see below), whose sum is σ = 1489230720. Its totient is φ = 618289920.

The previous prime is 1022012203. The next prime is 1022012213. The reversal of 1022012211 is 1122102201.

It is not a de Polignac number, because 1022012211 - 2³ = 1022012203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1022012213) 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, 8926 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (93076920).

Almost surely, 2^1022012211 is an apocalyptic number.

1022012211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1022012211 is a deficient number, since it is larger than the sum of its proper divisors (467218509).

1022012211 is a wasteful number, since it uses less digits than its factorization.

1022012211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55586.

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

The square root of 1022012211 is about 31968.9257091945. The cubic root of 1022012211 is about 1007.2842150449.

Adding to 1022012211 its reverse (1122102201), we get a palindrome (2144114412).

The spelling of 1022012211 in words is "one billion, twenty-two million, twelve thousand, two hundred eleven".