2021010102242 has 8 divisors (see below), whose sum is σ = 3039075042732. Its totient is φ = 1007985088000.

The previous prime is 2021010102127. The next prime is 2021010102257. The reversal of 2021010102242 is 2422010101202.

It can be written as a sum of positive squares in 2 ways, for example, as 1984376525041 + 36633577201 = 1408679^2 + 191399^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2021010102242.

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, 1259980559 + ... + 1259982162.

Almost surely, 2^{2021010102242} is an apocalyptic number.

2021010102242 is a deficient number, since it is larger than the sum of its proper divisors (1018064940490).

2021010102242 is a wasteful number, since it uses less digits than its factorization.

2021010102242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519963124.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2021010102242 its reverse (2422010101202), we get a palindrome (4443020203444).

The spelling of 2021010102242 in words is "two trillion, twenty-one billion, ten million, one hundred two thousand, two hundred forty-two".