102011002120005 has 64 divisors (see below), whose sum is σ = 179793830780928. Its totient is φ = 48977079989760.

The previous prime is 102011002119991. The next prime is 102011002120031. The reversal of 102011002120005 is 500021200110201.

It is not a de Polignac number, because 102011002120005 - 2⁶ = 102011002119941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340549057 + ... + 340848473.

It is an arithmetic number, because the mean of its divisors is an integer number (2809278605952).

Almost surely, 2^{102011002120005} is an apocalyptic number.

102011002120005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102011002120005 is a deficient number, since it is larger than the sum of its proper divisors (77782828660923).

102011002120005 is a wasteful number, since it uses less digits than its factorization.

102011002120005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319586.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 102011002120005 its reverse (500021200110201), we get a palindrome (602032202230206).

The spelling of 102011002120005 in words is "one hundred two trillion, eleven billion, two million, one hundred twenty thousand, five".