1010212021 has 8 divisors (see below), whose sum is σ = 1243337984. Its totient is φ = 799288560.

The previous prime is 1010212001. The next prime is 1010212037. The reversal of 1010212021 is 1202120101.

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

It is not a de Polignac number, because 1010212021 - 2⁵ = 1010211989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1010211989 and 1010212007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010212001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5550525 + ... + 5550706.

It is an arithmetic number, because the mean of its divisors is an integer number (155417248).

Almost surely, 2^1010212021 is an apocalyptic number.

It is an amenable number.

1010212021 is a deficient number, since it is larger than the sum of its proper divisors (233125963).

1010212021 is a wasteful number, since it uses less digits than its factorization.

1010212021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11101251.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1010212021 is about 31783.8326984019. The cubic root of 1010212021 is about 1003.3924850307.

Adding to 1010212021 its reverse (1202120101), we get a palindrome (2212332122).

The spelling of 1010212021 in words is "one billion, ten million, two hundred twelve thousand, twenty-one".