1021011012102 has 8 divisors (see below), whose sum is σ = 2042022024216. Its totient is φ = 340337004032.

The previous prime is 1021011012101. The next prime is 1021011012121. The reversal of 1021011012102 is 2012101101201.

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

1021011012102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021011012101) 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, 85084251003 + ... + 85084251014.

It is an arithmetic number, because the mean of its divisors is an integer number (255252753027).

Almost surely, 2^{1021011012102} is an apocalyptic number.

1021011012102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021011012102 is a wasteful number, since it uses less digits than its factorization.

1021011012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170168502022.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1021011012102 its reverse (2012101101201), we get a palindrome (3033112113303).

The spelling of 1021011012102 in words is "one trillion, twenty-one billion, eleven million, twelve thousand, one hundred two".