1012121020102 has 8 divisors (see below), whose sum is σ = 1524088852056. Its totient is φ = 504091402752.

The previous prime is 1012121020091. The next prime is 1012121020129. The reversal of 1012121020102 is 2010201212101.

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, 984553008 + ... + 984554035.

It is an arithmetic number, because the mean of its divisors is an integer number (190511106507).

Almost surely, 2^{1012121020102} is an apocalyptic number.

1012121020102 is a deficient number, since it is larger than the sum of its proper divisors (511967831954).

1012121020102 is a wasteful number, since it uses less digits than its factorization.

1012121020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969107302.

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

Adding to 1012121020102 its reverse (2010201212101), we get a palindrome (3022322232203).

The spelling of 1012121020102 in words is "one trillion, twelve billion, one hundred twenty-one million, twenty thousand, one hundred two".