102002111001010 has 64 divisors (see below), whose sum is σ = 213696026146944. Its totient is φ = 34643326182400.

The previous prime is 102002111000927. The next prime is 102002111001019. The reversal of 102002111001010 is 10100111200201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (102002111001019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 207948097 + ... + 208438036.

It is an arithmetic number, because the mean of its divisors is an integer number (3339000408546).

Almost surely, 2^{102002111001010} is an apocalyptic number.

102002111001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102002111001010 is an abundant number, since it is smaller than the sum of its proper divisors (111693915145934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102002111001010 is a wasteful number, since it uses less digits than its factorization.

102002111001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416386299.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 102002111001010 its reverse (10100111200201), we get a palindrome (112102222201211).

The spelling of 102002111001010 in words is "one hundred two trillion, two billion, one hundred eleven million, one thousand, ten".