2100420241102 has 8 divisors (see below), whose sum is σ = 3151358507376. Its totient is φ = 1049967405312.

The previous prime is 2100420241081. The next prime is 2100420241103. The reversal of 2100420241102 is 2011420240012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2100420241102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100420241103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121346803 + ... + 121364110.

It is an arithmetic number, because the mean of its divisors is an integer number (393919813422).

Almost surely, 2^{2100420241102} is an apocalyptic number.

2100420241102 is a deficient number, since it is larger than the sum of its proper divisors (1050938266274).

2100420241102 is a wasteful number, since it uses less digits than its factorization.

2100420241102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242715242.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2100420241102 its reverse (2011420240012), we get a palindrome (4111840481114).

The spelling of 2100420241102 in words is "two trillion, one hundred billion, four hundred twenty million, two hundred forty-one thousand, one hundred two".