111021001121222 has 32 divisors (see below), whose sum is σ = 171098886131712. Its totient is φ = 54002782530144.

The previous prime is 111021001121189. The next prime is 111021001121231. The reversal of 111021001121222 is 222121100120111.

It is a super-2 number, since 2×111021001121222² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111021001121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16864643 + ... + 22504625.

It is an arithmetic number, because the mean of its divisors is an integer number (5346840191616).

Almost surely, 2^{111021001121222} is an apocalyptic number.

111021001121222 is a deficient number, since it is larger than the sum of its proper divisors (60077885010490).

111021001121222 is a wasteful number, since it uses less digits than its factorization.

111021001121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5641292.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111021001121222 its reverse (222121100120111), we get a palindrome (333142101241333).

The spelling of 111021001121222 in words is "one hundred eleven trillion, twenty-one billion, one million, one hundred twenty-one thousand, two hundred twenty-two".