20211200102102 has 8 divisors (see below), whose sum is σ = 31294761448512. Its totient is φ = 9779612952600.

The previous prime is 20211200101951. The next prime is 20211200102117. The reversal of 20211200102102 is 20120100211202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162993549149 + ... + 162993549272.

It is an arithmetic number, because the mean of its divisors is an integer number (3911845181064).

Almost surely, 2^{20211200102102} is an apocalyptic number.

20211200102102 is a deficient number, since it is larger than the sum of its proper divisors (11083561346410).

20211200102102 is a wasteful number, since it uses less digits than its factorization.

20211200102102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325987098454.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20211200102102 its reverse (20120100211202), we get a palindrome (40331300313304).

The spelling of 20211200102102 in words is "twenty trillion, two hundred eleven billion, two hundred million, one hundred two thousand, one hundred two".