1011220022 has 8 divisors (see below), whose sum is σ = 1517795400. Its totient is φ = 505288224.

The previous prime is 1011220013. The next prime is 1011220043. The reversal of 1011220022 is 2200221101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011219985 and 1011220012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156947 + ... + 163262.

It is an arithmetic number, because the mean of its divisors is an integer number (189724425).

Almost surely, 2^1011220022 is an apocalyptic number.

1011220022 is a deficient number, since it is larger than the sum of its proper divisors (506575378).

1011220022 is a wasteful number, since it uses less digits than its factorization.

1011220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321790.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1011220022 is about 31799.6858789517. The cubic root of 1011220022 is about 1003.7261062215.

Adding to 1011220022 its reverse (2200221101), we get a palindrome (3211441123).

The spelling of 1011220022 in words is "one billion, eleven million, two hundred twenty thousand, twenty-two".