1021011220102 has 8 divisors (see below), whose sum is σ = 1543576018176. Its totient is φ = 506485880712.

The previous prime is 1021011220087. The next prime is 1021011220111. The reversal of 1021011220102 is 2010221101201.

1021011220102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2009864353 + ... + 2009864860.

It is an arithmetic number, because the mean of its divisors is an integer number (192947002272).

Almost surely, 2^{1021011220102} is an apocalyptic number.

1021011220102 is a deficient number, since it is larger than the sum of its proper divisors (522564798074).

1021011220102 is a wasteful number, since it uses less digits than its factorization.

1021011220102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4019729342.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021011220102 its reverse (2010221101201), we get a palindrome (3031232321303).

The spelling of 1021011220102 in words is "one trillion, twenty-one billion, eleven million, two hundred twenty thousand, one hundred two".