1001220210222 has 16 divisors (see below), whose sum is σ = 2107832021760. Its totient is φ = 316174803192.

The previous prime is 1001220210167. The next prime is 1001220210227. The reversal of 1001220210222 is 2220120221001.

It is a super-3 number, since 3×1001220210222³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001220210227) 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, 4391316598 + ... + 4391316825.

It is an arithmetic number, because the mean of its divisors is an integer number (131739501360).

Almost surely, 2^{1001220210222} is an apocalyptic number.

1001220210222 is an abundant number, since it is smaller than the sum of its proper divisors (1106611811538).

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

1001220210222 is a wasteful number, since it uses less digits than its factorization.

1001220210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782633447.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1001220210222 its reverse (2220120221001), we get a palindrome (3221340431223).

The spelling of 1001220210222 in words is "one trillion, one billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-two".