10021202221012 has 12 divisors (see below), whose sum is σ = 17537613084180. Its totient is φ = 5010455625536.

The previous prime is 10021202220989. The next prime is 10021202221067. The reversal of 10021202221012 is 21012220212001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3985748716356 + 6035453504656 = 1996434^2 + 2456716^2 .

It is a congruent number.

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, 36216187 + ... + 36491842.

It is an arithmetic number, because the mean of its divisors is an integer number (1461467757015).

Almost surely, 2^{10021202221012} is an apocalyptic number.

It is an amenable number.

10021202221012 is a deficient number, since it is larger than the sum of its proper divisors (7516410863168).

10021202221012 is a wasteful number, since it uses less digits than its factorization.

10021202221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72742490 (or 72742488 counting only the distinct ones).

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

Adding to 10021202221012 its reverse (21012220212001), we get a palindrome (31033422433013).

The spelling of 10021202221012 in words is "ten trillion, twenty-one billion, two hundred two million, two hundred twenty-one thousand, twelve".