1011211222 has 16 divisors (see below), whose sum is σ = 1734665472. Its totient is φ = 433086120.

The previous prime is 1011211193. The next prime is 1011211231. The reversal of 1011211222 is 2221121101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 45007.

It is an arithmetic number, because the mean of its divisors is an integer number (108416592).

Almost surely, 2^1011211222 is an apocalyptic number.

1011211222 is a deficient number, since it is larger than the sum of its proper divisors (723454250).

1011211222 is a wasteful number, since it uses less digits than its factorization.

1011211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48363.

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

The square root of 1011211222 is about 31799.5475125040. The cubic root of 1011211222 is about 1003.7231946180.

Adding to 1011211222 its reverse (2221121101), we get a palindrome (3232332323).

The spelling of 1011211222 in words is "one billion, eleven million, two hundred eleven thousand, two hundred twenty-two".