621051022103 has 8 divisors (see below), whose sum is σ = 625330667520. Its totient is φ = 616783983480.

The previous prime is 621051022087. The next prime is 621051022133. The reversal of 621051022103 is 301220150126.

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

It is a cyclic number.

It is not a de Polignac number, because 621051022103 - 2⁴ = 621051022087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621051022133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3052823 + ... + 3249896.

It is an arithmetic number, because the mean of its divisors is an integer number (78166333440).

Almost surely, 2^621051022103 is an apocalyptic number.

621051022103 is a deficient number, since it is larger than the sum of its proper divisors (4279645417).

621051022103 is a wasteful number, since it uses less digits than its factorization.

621051022103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303397.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 621051022103 its reverse (301220150126), we get a palindrome (922271172229).

The spelling of 621051022103 in words is "six hundred twenty-one billion, fifty-one million, twenty-two thousand, one hundred three".