1012022211 has 8 divisors (see below), whose sum is σ = 1354739904. Its totient is φ = 671993000.

The previous prime is 1012022197. The next prime is 1012022281. The reversal of 1012022211 is 1122202101.

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 1012022211 - 2¹⁹ = 1011497923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012022281) 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, 671241 + ... + 672746.

It is an arithmetic number, because the mean of its divisors is an integer number (169342488).

Almost surely, 2^1012022211 is an apocalyptic number.

1012022211 is a deficient number, since it is larger than the sum of its proper divisors (342717693).

1012022211 is a wasteful number, since it uses less digits than its factorization.

1012022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344241.

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

The square root of 1012022211 is about 31812.2965376598. The cubic root of 1012022211 is about 1003.9914507904.

Adding to 1012022211 its reverse (1122202101), we get a palindrome (2134224312).

The spelling of 1012022211 in words is "one billion, twelve million, twenty-two thousand, two hundred eleven".