1020001111222 has 16 divisors (see below), whose sum is σ = 1620020518272. Its totient is φ = 479994966400.

The previous prime is 1020001111201. The next prime is 1020001111267. The reversal of 1020001111222 is 2221111000201.

It is a super-2 number, since 2×1020001111222² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5392347 + ... + 5578297.

It is an arithmetic number, because the mean of its divisors is an integer number (101251282392).

Almost surely, 2^{1020001111222} is an apocalyptic number.

1020001111222 is a deficient number, since it is larger than the sum of its proper divisors (600019407050).

1020001111222 is a wasteful number, since it uses less digits than its factorization.

1020001111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347303.

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

Adding to 1020001111222 its reverse (2221111000201), we get a palindrome (3241112111423).

The spelling of 1020001111222 in words is "one trillion, twenty billion, one million, one hundred eleven thousand, two hundred twenty-two".