1020120220102 has 8 divisors (see below), whose sum is σ = 1531136100312. Its totient is φ = 509741520000.

The previous prime is 1020120220079. The next prime is 1020120220123. The reversal of 1020120220102 is 2010220210201.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159291024 + ... + 159297427.

It is an arithmetic number, because the mean of its divisors is an integer number (191392012539).

Almost surely, 2^{1020120220102} is an apocalyptic number.

1020120220102 is a deficient number, since it is larger than the sum of its proper divisors (511015880210).

1020120220102 is a wasteful number, since it uses less digits than its factorization.

1020120220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318590054.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020120220102 its reverse (2010220210201), we get a palindrome (3030340430303).

Subtracting 1020120220102 from its reverse (2010220210201), we obtain a palindrome (990099990099).

The spelling of 1020120220102 in words is "one trillion, twenty billion, one hundred twenty million, two hundred twenty thousand, one hundred two".