1021013103102 has 16 divisors (see below), whose sum is σ = 2046219284352. Its totient is φ = 339638854680.

The previous prime is 1021013103013. The next prime is 1021013103163. The reversal of 1021013103102 is 2013013101201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174708424 + ... + 174714267.

It is an arithmetic number, because the mean of its divisors is an integer number (127888705272).

Almost surely, 2^{1021013103102} is an apocalyptic number.

1021013103102 is an abundant number, since it is smaller than the sum of its proper divisors (1025206181250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021013103102 is a wasteful number, since it uses less digits than its factorization.

1021013103102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349423183.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1021013103102 its reverse (2013013101201), we get a palindrome (3034026204303).

The spelling of 1021013103102 in words is "one trillion, twenty-one billion, thirteen million, one hundred three thousand, one hundred two".