10222111220402 has 8 divisors (see below), whose sum is σ = 15334410534300. Its totient is φ = 5110641042304.

The previous prime is 10222111220401. The next prime is 10222111220429. The reversal of 10222111220402 is 20402211122201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6747208856521 + 3474902363881 = 2597539^2 + 1864109^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10222111220401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207253127 + ... + 207302442.

Almost surely, 2^{10222111220402} is an apocalyptic number.

10222111220402 is a deficient number, since it is larger than the sum of its proper divisors (5112299313898).

10222111220402 is a wasteful number, since it uses less digits than its factorization.

10222111220402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414567900.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 10222111220402 its reverse (20402211122201), we get a palindrome (30624322342603).

The spelling of 10222111220402 in words is "ten trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty thousand, four hundred two".