2101420033430 has 32 divisors (see below), whose sum is σ = 3947124895488. Its totient is φ = 803999196000.

The previous prime is 2101420033423. The next prime is 2101420033487. The reversal of 2101420033430 is 343300241012.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 2101420033396 and 2101420033405.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9851405 + ... + 10062455.

It is an arithmetic number, because the mean of its divisors is an integer number (123347652984).

Almost surely, 2^{2101420033430} is an apocalyptic number.

2101420033430 is a deficient number, since it is larger than the sum of its proper divisors (1845704862058).

2101420033430 is a wasteful number, since it uses less digits than its factorization.

2101420033430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254372.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2101420033430 its reverse (343300241012), we get a palindrome (2444720274442).

The spelling of 2101420033430 in words is "two trillion, one hundred one billion, four hundred twenty million, thirty-three thousand, four hundred thirty".