1011220001222 has 8 divisors (see below), whose sum is σ = 1516900092672. Its totient is φ = 505586637000.

The previous prime is 1011220001189. The next prime is 1011220001237. The reversal of 1011220001222 is 2221000221101.

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

It is a junction number, because it is equal to n+sod(n) for n = 1011220001197 and 1011220001206.

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, 11627654 + ... + 11714297.

It is an arithmetic number, because the mean of its divisors is an integer number (189612511584).

Almost surely, 2^{1011220001222} is an apocalyptic number.

1011220001222 is a deficient number, since it is larger than the sum of its proper divisors (505680091450).

1011220001222 is a wasteful number, since it uses less digits than its factorization.

1011220001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23363614.

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

Adding to 1011220001222 its reverse (2221000221101), we get a palindrome (3232220222323).

The spelling of 1011220001222 in words is "one trillion, eleven billion, two hundred twenty million, one thousand, two hundred twenty-two".