1021110001222 has 8 divisors (see below), whose sum is σ = 1531673701272. Its totient is φ = 510552100800.

The previous prime is 1021110001199. The next prime is 1021110001231. The reversal of 1021110001222 is 2221000111201.

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

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, 979179 + ... + 1732342.

It is an arithmetic number, because the mean of its divisors is an integer number (191459212659).

Almost surely, 2^{1021110001222} is an apocalyptic number.

1021110001222 is a deficient number, since it is larger than the sum of its proper divisors (510563700050).

1021110001222 is a wasteful number, since it uses less digits than its factorization.

1021110001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899814.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021110001222 its reverse (2221000111201), we get a palindrome (3242110112423).

The spelling of 1021110001222 in words is "one trillion, twenty-one billion, one hundred ten million, one thousand, two hundred twenty-two".