1020002221102 has 8 divisors (see below), whose sum is σ = 1530011517696. Its totient is φ = 509998381872.

The previous prime is 1020002221097. The next prime is 1020002221103. The reversal of 1020002221102 is 2011222000201.

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 not an unprimeable number, because it can be changed into a prime (1020002221103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 859758 + ... + 1667089.

It is an arithmetic number, because the mean of its divisors is an integer number (191251439712).

Almost surely, 2^{1020002221102} is an apocalyptic number.

1020002221102 is a deficient number, since it is larger than the sum of its proper divisors (510009296594).

1020002221102 is a wasteful number, since it uses less digits than its factorization.

1020002221102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728682.

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

Adding to 1020002221102 its reverse (2011222000201), we get a palindrome (3031224221303).

The spelling of 1020002221102 in words is "one trillion, twenty billion, two million, two hundred twenty-one thousand, one hundred two".