20001011211022 has 8 divisors (see below), whose sum is σ = 30001632082200. Its totient is φ = 10000467183624.

The previous prime is 20001011211019. The next prime is 20001011211031. The reversal of 20001011211022 is 22011211010002.

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 = 20001011210993 and 20001011211011.

It is a congruent number.

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, 18555772 + ... + 19604047.

It is an arithmetic number, because the mean of its divisors is an integer number (3750204010275).

Almost surely, 2^{20001011211022} is an apocalyptic number.

20001011211022 is a deficient number, since it is larger than the sum of its proper divisors (10000620871178).

20001011211022 is a wasteful number, since it uses less digits than its factorization.

20001011211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38421890.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20001011211022 its reverse (22011211010002), we get a palindrome (42012222221024).

It can be divided in two parts, 2000101 and 1211022, that added together give a palindrome (3211123).

The spelling of 20001011211022 in words is "twenty trillion, one billion, eleven million, two hundred eleven thousand, twenty-two".