2100042098950 has 12 divisors (see below), whose sum is σ = 3906078304140. Its totient is φ = 840016839560.

The previous prime is 2100042098911. The next prime is 2100042098951. The reversal of 2100042098950 is 598902400012.

It is a super-2 number, since 2×2100042098950² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100042098951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21000420940 + ... + 21000421039.

It is an arithmetic number, because the mean of its divisors is an integer number (325506525345).

Almost surely, 2^{2100042098950} is an apocalyptic number.

2100042098950 is a deficient number, since it is larger than the sum of its proper divisors (1806036205190).

2100042098950 is a wasteful number, since it uses less digits than its factorization.

2100042098950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42000841991 (or 42000841986 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

Adding to 2100042098950 its reverse (598902400012), we get a palindrome (2698944498962).

The spelling of 2100042098950 in words is "two trillion, one hundred billion, forty-two million, ninety-eight thousand, nine hundred fifty".