100121122202 has 4 divisors (see below), whose sum is σ = 150181683306. Its totient is φ = 50060561100.

The previous prime is 100121122201. The next prime is 100121122237. The reversal of 100121122202 is 202221121001.

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

It can be written as a sum of positive squares in only one way, i.e., 84856272601 + 15264849601 = 291301^2 + 123551^2 .

It is a super-2 number, since 2×100121122202² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100121122201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25030280549 + ... + 25030280552.

Almost surely, 2^100121122202 is an apocalyptic number.

100121122202 is a deficient number, since it is larger than the sum of its proper divisors (50060561104).

100121122202 is an equidigital number, since it uses as much as digits as its factorization.

100121122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50060561103.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100121122202 its reverse (202221121001), we get a palindrome (302342243203).

The spelling of 100121122202 in words is "one hundred billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred two".