20010102111201 has 32 divisors (see below), whose sum is σ = 27446007385728. Its totient is φ = 12958318172160.

The previous prime is 20010102111149. The next prime is 20010102111203. The reversal of 20010102111201 is 10211120101002.

It is not a de Polignac number, because 20010102111201 - 2¹⁵ = 20010102078433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20010102111203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 468851875 + ... + 468894551.

It is an arithmetic number, because the mean of its divisors is an integer number (857687730804).

Almost surely, 2^{20010102111201} is an apocalyptic number.

It is an amenable number.

20010102111201 is a deficient number, since it is larger than the sum of its proper divisors (7435905274527).

20010102111201 is a wasteful number, since it uses less digits than its factorization.

20010102111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49521.

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

Adding to 20010102111201 its reverse (10211120101002), we get a palindrome (30221222212203).

The spelling of 20010102111201 in words is "twenty trillion, ten billion, one hundred two million, one hundred eleven thousand, two hundred one".