2120021012102 has 8 divisors (see below), whose sum is σ = 3634321735056. Its totient is φ = 908580433752.

The previous prime is 2120021012077. The next prime is 2120021012129. The reversal of 2120021012102 is 2012101200212.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 151430072293 = 2120021012102 / (2 + 1 + 2 + 0 + 0 + 2 + 1 + 0 + 1 + 2 + 1 + 0 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75715036133 + ... + 75715036160.

It is an arithmetic number, because the mean of its divisors is an integer number (454290216882).

Almost surely, 2^{2120021012102} is an apocalyptic number.

2120021012102 is a deficient number, since it is larger than the sum of its proper divisors (1514300722954).

2120021012102 is a wasteful number, since it uses less digits than its factorization.

2120021012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151430072302.

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

Adding to 2120021012102 its reverse (2012101200212), we get a palindrome (4132122212314).

The spelling of 2120021012102 in words is "two trillion, one hundred twenty billion, twenty-one million, twelve thousand, one hundred two".