51022101 has 16 divisors (see below), whose sum is σ = 73511424. Its totient is φ = 31291584.

The previous prime is 51022067. The next prime is 51022129. The reversal of 51022101 is 10122015.

It is not a de Polignac number, because 51022101 - 2¹⁰ = 51021077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51022501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10300 + ... + 14426.

It is an arithmetic number, because the mean of its divisors is an integer number (4594464).

Almost surely, 2^51022101 is an apocalyptic number.

It is an amenable number.

51022101 is a deficient number, since it is larger than the sum of its proper divisors (22489323).

51022101 is a wasteful number, since it uses less digits than its factorization.

51022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4460.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 51022101 is about 7142.9756404457. The cubic root of 51022101 is about 370.8965378220.

Adding to 51022101 its reverse (10122015), we get a palindrome (61144116).

The spelling of 51022101 in words is "fifty-one million, twenty-two thousand, one hundred one".