1010001221222 has 64 divisors (see below), whose sum is σ = 1798337808000. Its totient is φ = 416254325760.

The previous prime is 1010001221189. The next prime is 1010001221233. The reversal of 1010001221222 is 2221221000101.

1010001221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 1010001221197 and 1010001221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111610154 + ... + 111619202.

It is an arithmetic number, because the mean of its divisors is an integer number (28099028250).

Almost surely, 2^{1010001221222} is an apocalyptic number.

1010001221222 is a deficient number, since it is larger than the sum of its proper divisors (788336586778).

1010001221222 is a wasteful number, since it uses less digits than its factorization.

1010001221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10161.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1010001221222 its reverse (2221221000101), we get a palindrome (3231222221323).

The spelling of 1010001221222 in words is "one trillion, ten billion, one million, two hundred twenty-one thousand, two hundred twenty-two".