1021110222 has 16 divisors (see below), whose sum is σ = 2227876992. Its totient is φ = 309427320.

The previous prime is 1021110221. The next prime is 1021110247. The reversal of 1021110222 is 2220111201.

It is a junction number, because it is equal to n+sod(n) for n = 1021110198 and 1021110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021110221) 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, 7735618 + ... + 7735749.

It is an arithmetic number, because the mean of its divisors is an integer number (139242312).

Almost surely, 2^1021110222 is an apocalyptic number.

1021110222 is an abundant number, since it is smaller than the sum of its proper divisors (1206766770).

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

1021110222 is a wasteful number, since it uses less digits than its factorization.

1021110222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471383.

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

The square root of 1021110222 is about 31954.8153178828. The cubic root of 1021110222 is about 1006.9877976147.

Adding to 1021110222 its reverse (2220111201), we get a palindrome (3241221423).

The spelling of 1021110222 in words is "one billion, twenty-one million, one hundred ten thousand, two hundred twenty-two".