100420142210 has 8 divisors (see below), whose sum is σ = 180756255996. Its totient is φ = 40168056880.

The previous prime is 100420142209. The next prime is 100420142219. The reversal of 100420142210 is 12241024001.

It can be written as a sum of positive squares in 2 ways, for example, as 90963163201 + 9456979009 = 301601^2 + 97247^2 .

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

It is a super-2 number, since 2×100420142210² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100420142219) 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, 5021007101 + ... + 5021007120.

Almost surely, 2^100420142210 is an apocalyptic number.

100420142210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100420142210 is a deficient number, since it is larger than the sum of its proper divisors (80336113786).

100420142210 is a wasteful number, since it uses less digits than its factorization.

100420142210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042014228.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 100420142210 its reverse (12241024001), we get a palindrome (112661166211).

The spelling of 100420142210 in words is "one hundred billion, four hundred twenty million, one hundred forty-two thousand, two hundred ten".