10202121220022 has 4 divisors (see below), whose sum is σ = 15303181830036. Its totient is φ = 5101060610010.

The previous prime is 10202121220013. The next prime is 10202121220069. The reversal of 10202121220022 is 22002212120201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550530305004 + ... + 2550530305007.

It is an arithmetic number, because the mean of its divisors is an integer number (3825795457509).

Almost surely, 2^{10202121220022} is an apocalyptic number.

10202121220022 is a deficient number, since it is larger than the sum of its proper divisors (5101060610014).

10202121220022 is an equidigital number, since it uses as much as digits as its factorization.

10202121220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101060610013.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10202121220022 its reverse (22002212120201), we get a palindrome (32204333340223).

The spelling of 10202121220022 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty thousand, twenty-two".