20001011202122 has 8 divisors (see below), whose sum is σ = 30001565640000. Its totient is φ = 10000489322124.

The previous prime is 20001011202113. The next prime is 20001011202191. The reversal of 20001011202122 is 22120211010002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20001011202097 and 20001011202106.

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, 6540872 + ... + 9098627.

It is an arithmetic number, because the mean of its divisors is an integer number (3750195705000).

Almost surely, 2^{20001011202122} is an apocalyptic number.

20001011202122 is a deficient number, since it is larger than the sum of its proper divisors (10000554437878).

20001011202122 is a wasteful number, since it uses less digits than its factorization.

20001011202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16278940.

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

Adding to 20001011202122 its reverse (22120211010002), we get a palindrome (42121222212124).

The spelling of 20001011202122 in words is "twenty trillion, one billion, eleven million, two hundred two thousand, one hundred twenty-two".