10202121210222 has 24 divisors (see below), whose sum is σ = 22121824841064. Its totient is φ = 3398056472304.

The previous prime is 10202121210217. The next prime is 10202121210251. The reversal of 10202121210222 is 22201212120201.

It is a happy number.

10202121210222 is a `hidden beast` number, since 1 + 0 + 20 + 212 + 1 + 210 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10202121210195 and 10202121210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220859413 + ... + 220905600.

It is an arithmetic number, because the mean of its divisors is an integer number (921742701711).

Almost surely, 2^{10202121210222} is an apocalyptic number.

10202121210222 is an abundant number, since it is smaller than the sum of its proper divisors (11919703630842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10202121210222 is a wasteful number, since it uses less digits than its factorization.

10202121210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441766304 (or 441766301 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10202121210222 its reverse (22201212120201), we get a palindrome (32403333330423).

The spelling of 10202121210222 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred ten thousand, two hundred twenty-two".