1220011020002 has 16 divisors (see below), whose sum is σ = 1836595404000. Its totient is φ = 607815623520.

The previous prime is 1220011020001. The next prime is 1220011020049. The reversal of 1220011020002 is 2000201100221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1220011020001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27977 + ... + 1562307.

It is an arithmetic number, because the mean of its divisors is an integer number (114787212750).

Almost surely, 2^{1220011020002} is an apocalyptic number.

1220011020002 is a deficient number, since it is larger than the sum of its proper divisors (616584383998).

1220011020002 is a wasteful number, since it uses less digits than its factorization.

1220011020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535761.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1220011020002 its reverse (2000201100221), we get a palindrome (3220212120223).

The spelling of 1220011020002 in words is "one trillion, two hundred twenty billion, eleven million, twenty thousand, two".