51005010222002 has 32 divisors (see below), whose sum is σ = 80388769023360. Its totient is φ = 24250795354240.

The previous prime is 51005010221989. The next prime is 51005010222013. The reversal of 51005010222002 is 20022201050015.

It is a happy number.

It is a super-2 number, since 2×51005010222002² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56989643 + ... + 57877710.

It is an arithmetic number, because the mean of its divisors is an integer number (2512149031980).

Almost surely, 2^{51005010222002} is an apocalyptic number.

51005010222002 is a deficient number, since it is larger than the sum of its proper divisors (29383758801358).

51005010222002 is a wasteful number, since it uses less digits than its factorization.

51005010222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114867538.

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 51005010222002 its reverse (20022201050015), we get a palindrome (71027211272017).

The spelling of 51005010222002 in words is "fifty-one trillion, five billion, ten million, two hundred twenty-two thousand, two".