20210101112102 has 16 divisors (see below), whose sum is σ = 33331476713472. Its totient is φ = 9114075661320.

The previous prime is 20210101112083. The next prime is 20210101112147. The reversal of 20210101112102 is 20121110101202.

It is a super-2 number, since 2×20210101112102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616693898 + ... + 3616699485.

It is an arithmetic number, because the mean of its divisors is an integer number (2083217294592).

Almost surely, 2^{20210101112102} is an apocalyptic number.

20210101112102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20210101112102 is a deficient number, since it is larger than the sum of its proper divisors (13121375601370).

20210101112102 is a wasteful number, since it uses less digits than its factorization.

20210101112102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7233393523.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20210101112102 its reverse (20121110101202), we get a palindrome (40331211213304).

The spelling of 20210101112102 in words is "twenty trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, one hundred two".