1220021031122 has 8 divisors (see below), whose sum is σ = 1830165882096. Its totient is φ = 609965737092.

The previous prime is 1220021031079. The next prime is 1220021031139. The reversal of 1220021031122 is 2211301200221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1220021031122.

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 3 ways as a sum of consecutive naturals, for example, 22355168 + ... + 22409675.

It is an arithmetic number, because the mean of its divisors is an integer number (228770735262).

Almost surely, 2^{1220021031122} is an apocalyptic number.

1220021031122 is a deficient number, since it is larger than the sum of its proper divisors (610144850974).

1220021031122 is a wasteful number, since it uses less digits than its factorization.

1220021031122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44778472.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1220021031122 its reverse (2211301200221), we get a palindrome (3431322231343).

The spelling of 1220021031122 in words is "one trillion, two hundred twenty billion, twenty-one million, thirty-one thousand, one hundred twenty-two".