1011021222 has 8 divisors (see below), whose sum is σ = 2022042456. Its totient is φ = 337007072.

The previous prime is 1011021199. The next prime is 1011021233. The reversal of 1011021222 is 2221201101.

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

1011021222 is an admirable number.

It is a super-2 number, since 2×1011021222² = 2044327822668746568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011021198 and 1011021207.

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, 84251763 + ... + 84251774.

It is an arithmetic number, because the mean of its divisors is an integer number (252755307).

Almost surely, 2^1011021222 is an apocalyptic number.

1011021222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011021222 is a wasteful number, since it uses less digits than its factorization.

1011021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168503542.

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

The square root of 1011021222 is about 31796.5599082668. The cubic root of 1011021222 is about 1003.6603263308.

Adding to 1011021222 its reverse (2221201101), we get a palindrome (3232222323).

The spelling of 1011021222 in words is "one billion, eleven million, twenty-one thousand, two hundred twenty-two".