20010001202122 has 8 divisors (see below), whose sum is σ = 30015040162176. Its totient is φ = 10004987814732.

The previous prime is 20010001202119. The next prime is 20010001202183. The reversal of 20010001202122 is 22120210001002.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4299898 + ... + 7649125.

It is an arithmetic number, because the mean of its divisors is an integer number (3751880020272).

Almost surely, 2^{20010001202122} is an apocalyptic number.

20010001202122 is a deficient number, since it is larger than the sum of its proper divisors (10005038960054).

20010001202122 is a wasteful number, since it uses less digits than its factorization.

20010001202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12786332.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20010001202122 its reverse (22120210001002), we get a palindrome (42130211203124).

The spelling of 20010001202122 in words is "twenty trillion, ten billion, one million, two hundred two thousand, one hundred twenty-two".