1111012022154 has 32 divisors (see below), whose sum is σ = 2353486337280. Its totient is φ = 348440940032.

The previous prime is 1111012022143. The next prime is 1111012022233. The reversal of 1111012022154 is 4512202101111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111012022154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427979 + ... + 2064254.

It is an arithmetic number, because the mean of its divisors is an integer number (73546448040).

Almost surely, 2^{1111012022154} is an apocalyptic number.

1111012022154 is an abundant number, since it is smaller than the sum of its proper divisors (1242474315126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111012022154 is a wasteful number, since it uses less digits than its factorization.

1111012022154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495374.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 1111012022154 its reverse (4512202101111), we get a palindrome (5623214123265).

The spelling of 1111012022154 in words is "one trillion, one hundred eleven billion, twelve million, twenty-two thousand, one hundred fifty-four".