102122041555 has 16 divisors (see below), whose sum is σ = 133940715264. Its totient is φ = 74411504640.

The previous prime is 102122041547. The next prime is 102122041559. The reversal of 102122041555 is 555140221201.

It is not a de Polignac number, because 102122041555 - 2³ = 102122041547 is a prime.

It is a super-2 number, since 2×102122041555² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102122041559) 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, 19375362 + ... + 19380631.

It is an arithmetic number, because the mean of its divisors is an integer number (8371294704).

Almost surely, 2^102122041555 is an apocalyptic number.

102122041555 is a deficient number, since it is larger than the sum of its proper divisors (31818673709).

102122041555 is a wasteful number, since it uses less digits than its factorization.

102122041555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38756046.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 102122041555 its reverse (555140221201), we get a palindrome (657262262756).

The spelling of 102122041555 in words is "one hundred two billion, one hundred twenty-two million, forty-one thousand, five hundred fifty-five".