20001011012110 has 16 divisors (see below), whose sum is σ = 36003693993696. Its totient is φ = 7999987922208.

The previous prime is 20001011012093. The next prime is 20001011012119. The reversal of 20001011012110 is 1121011010002.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001011012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51858594 + ... + 52242853.

It is an arithmetic number, because the mean of its divisors is an integer number (2250230874606).

Almost surely, 2^{20001011012110} is an apocalyptic number.

20001011012110 is a deficient number, since it is larger than the sum of its proper divisors (16002682981586).

20001011012110 is a wasteful number, since it uses less digits than its factorization.

20001011012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104120667.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20001011012110 its reverse (1121011010002), we get a palindrome (21122022022112).

The spelling of 20001011012110 in words is "twenty trillion, one billion, eleven million, twelve thousand, one hundred ten".