102002034021140 has 96 divisors (see below), whose sum is σ = 234894129047424. Its totient is φ = 36899016168960.

The previous prime is 102002034021091. The next prime is 102002034021169. The reversal of 102002034021140 is 41120430200201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31012307 + ... + 34143333.

It is an arithmetic number, because the mean of its divisors is an integer number (2446813844244).

Almost surely, 2^{102002034021140} is an apocalyptic number.

102002034021140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102002034021140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117447064523712).

102002034021140 is an abundant number, since it is smaller than the sum of its proper divisors (132892095026284).

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

102002034021140 is a wasteful number, since it uses less digits than its factorization.

102002034021140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131817 (or 3131815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102002034021140 its reverse (41120430200201), we get a palindrome (143122464221341).

The spelling of 102002034021140 in words is "one hundred two trillion, two billion, thirty-four million, twenty-one thousand, one hundred forty".