20010012211101 has 16 divisors (see below), whose sum is σ = 29218723184448. Its totient is φ = 12080092262400.

The previous prime is 20010012211097. The next prime is 20010012211129. The reversal of 20010012211101 is 10111221001002.

It is not a de Polignac number, because 20010012211101 - 2² = 20010012211097 is a prime.

It is a super-2 number, since 2×20010012211101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010012211201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179688030 + ... + 1179704991.

It is an arithmetic number, because the mean of its divisors is an integer number (1826170199028).

Almost surely, 2^{20010012211101} is an apocalyptic number.

It is an amenable number.

20010012211101 is a deficient number, since it is larger than the sum of its proper divisors (9208710973347).

20010012211101 is a wasteful number, since it uses less digits than its factorization.

20010012211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359393292.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20010012211101 its reverse (10111221001002), we get a palindrome (30121233212103).

The spelling of 20010012211101 in words is "twenty trillion, ten billion, twelve million, two hundred eleven thousand, one hundred one".