10202121112202 has 16 divisors (see below), whose sum is σ = 16244183377800. Its totient is φ = 4788904969728.

The previous prime is 10202121112181. The next prime is 10202121112223. The reversal of 10202121112202 is 20221112120201.

It is an interprime number because it is at equal distance from previous prime (10202121112181) and next prime (10202121112223).

It can be written as a sum of positive squares in 4 ways, for example, as 9752310791161 + 449810321041 = 3122869^2 + 670679^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377898827 + ... + 377925822.

Almost surely, 2^{10202121112202} is an apocalyptic number.

10202121112202 is a deficient number, since it is larger than the sum of its proper divisors (6042062265598).

10202121112202 is a wasteful number, since it uses less digits than its factorization.

10202121112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755825065.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10202121112202 its reverse (20221112120201), we get a palindrome (30423233232403).

The spelling of 10202121112202 in words is "ten trillion, two hundred two billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".