10210012222021 has 8 divisors (see below), whose sum is σ = 10325168513784. Its totient is φ = 10095131755200.

The previous prime is 10210012221989. The next prime is 10210012222037. The reversal of 10210012222021 is 12022221001201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6651937348225 + 3558074873796 = 2579135^2 + 1886286^2 .

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 10210012222021 - 2⁵ = 10210012221989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210012221986 and 10210012222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210012222321) 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, 68881786 + ... + 69029851.

It is an arithmetic number, because the mean of its divisors is an integer number (1290646064223).

Almost surely, 2^{10210012222021} is an apocalyptic number.

It is an amenable number.

10210012222021 is a deficient number, since it is larger than the sum of its proper divisors (115156291763).

10210012222021 is a wasteful number, since it uses less digits than its factorization.

10210012222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137912471.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210012222021 its reverse (12022221001201), we get a palindrome (22232233223222).

The spelling of 10210012222021 in words is "ten trillion, two hundred ten billion, twelve million, two hundred twenty-two thousand, twenty-one".