1220002111010 has 8 divisors (see below), whose sum is σ = 2196003799836. Its totient is φ = 488000844400.

The previous prime is 1220002111007. The next prime is 1220002111021. The reversal of 1220002111010 is 101112000221.

It can be written as a sum of positive squares in 2 ways, for example, as 1143319086121 + 76683024889 = 1069261^2 + 276917^2 .

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 = 1220002110982 and 1220002111000.

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, 61000105541 + ... + 61000105560.

Almost surely, 2^{1220002111010} is an apocalyptic number.

1220002111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220002111010 is a deficient number, since it is larger than the sum of its proper divisors (976001688826).

1220002111010 is a wasteful number, since it uses less digits than its factorization.

1220002111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122000211108.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220002111010 its reverse (101112000221), we get a palindrome (1321114111231).

The spelling of 1220002111010 in words is "one trillion, two hundred twenty billion, two million, one hundred eleven thousand, ten".