1010021212021 has 8 divisors (see below), whose sum is σ = 1079048586080. Its totient is φ = 942580674288.

The previous prime is 1010021212019. The next prime is 1010021212037. The reversal of 1010021212021 is 1202121200101.

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

It is a cyclic number.

It is not a de Polignac number, because 1010021212021 - 2¹ = 1010021212019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010021211992 and 1010021212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010021212001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396707766 + ... + 396710311.

It is an arithmetic number, because the mean of its divisors is an integer number (134881073260).

Almost surely, 2^{1010021212021} is an apocalyptic number.

It is an amenable number.

1010021212021 is a deficient number, since it is larger than the sum of its proper divisors (69027374059).

1010021212021 is an equidigital number, since it uses as much as digits as its factorization.

1010021212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793418163.

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

Adding to 1010021212021 its reverse (1202121200101), we get a palindrome (2212142412122).

The spelling of 1010021212021 in words is "one trillion, ten billion, twenty-one million, two hundred twelve thousand, twenty-one".