10202122122002 has 16 divisors (see below), whose sum is σ = 16245024358680. Its totient is φ = 4788656740608.

The previous prime is 10202122122001. The next prime is 10202122122007. The reversal of 10202122122002 is 20022122120201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10197477835801 + 4644286201 = 3193349^2 + 68149^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (10202122122001) 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, 385671113 + ... + 385697564.

Almost surely, 2^{10202122122002} is an apocalyptic number.

10202122122002 is a deficient number, since it is larger than the sum of its proper divisors (6042902236678).

10202122122002 is a wasteful number, since it uses less digits than its factorization.

10202122122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771369085.

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

Adding to 10202122122002 its reverse (20022122120201), we get a palindrome (30224244242203).

The spelling of 10202122122002 in words is "ten trillion, two hundred two billion, one hundred twenty-two million, one hundred twenty-two thousand, two".