1021012102 has 8 divisors (see below), whose sum is σ = 1670747112. Its totient is φ = 464096400.

The previous prime is 1021012093. The next prime is 1021012103. The reversal of 1021012102 is 2012101201.

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 (1021012103) 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, 23204799 + ... + 23204842.

It is an arithmetic number, because the mean of its divisors is an integer number (208843389).

Almost surely, 2^1021012102 is an apocalyptic number.

1021012102 is a deficient number, since it is larger than the sum of its proper divisors (649735010).

1021012102 is a wasteful number, since it uses less digits than its factorization.

1021012102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46409654.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1021012102 is about 31953.2799881327. The cubic root of 1021012102 is about 1006.9555422631.

Adding to 1021012102 its reverse (2012101201), we get a palindrome (3033113303).

The spelling of 1021012102 in words is "one billion, twenty-one million, twelve thousand, one hundred two".