1012021202102 has 8 divisors (see below), whose sum is σ = 1533061821312. Its totient is φ = 501000595000.

The previous prime is 1012021202069. The next prime is 1012021202107. The reversal of 1012021202102 is 2012021202101.

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 (1012021202107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505002774 + ... + 2505003177.

It is an arithmetic number, because the mean of its divisors is an integer number (191632727664).

Almost surely, 2^{1012021202102} is an apocalyptic number.

1012021202102 is a deficient number, since it is larger than the sum of its proper divisors (521040619210).

1012021202102 is a wasteful number, since it uses less digits than its factorization.

1012021202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010006054.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012021202102 its reverse (2012021202101), we get a palindrome (3024042404203).

Subtracting 1012021202102 from its reverse (2012021202101), we obtain a palindrome (999999999999).

The spelling of 1012021202102 in words is "one trillion, twelve billion, twenty-one million, two hundred two thousand, one hundred two".