20010101112102 has 32 divisors (see below), whose sum is σ = 40098066146784. Its totient is φ = 6657057056000.

The previous prime is 20010101112101. The next prime is 20010101112103. The reversal of 20010101112102 is 20121110101002.

It is an interprime number because it is at equal distance from previous prime (20010101112101) and next prime (20010101112103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010101112101) 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, 184070188 + ... + 184178864.

It is an arithmetic number, because the mean of its divisors is an integer number (1253064567087).

Almost surely, 2^{20010101112102} is an apocalyptic number.

20010101112102 is an abundant number, since it is smaller than the sum of its proper divisors (20087965034682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20010101112102 is a wasteful number, since it uses less digits than its factorization.

20010101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168104.

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

Adding to 20010101112102 its reverse (20121110101002), we get a palindrome (40131211213104).

The spelling of 20010101112102 in words is "twenty trillion, ten billion, one hundred one million, one hundred twelve thousand, one hundred two".