102001011113040 has 160 divisors (see below), whose sum is σ = 340543519819776. Its totient is φ = 25106682777600.

The previous prime is 102001011113011. The next prime is 102001011113041. The reversal of 102001011113040 is 40311110100201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102001011113041) 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, 62217937 + ... + 63836303.

Almost surely, 2^{102001011113040} is an apocalyptic number.

102001011113040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102001011113040 is an abundant number, since it is smaller than the sum of its proper divisors (238542508706736).

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

102001011113040 is a wasteful number, since it uses less digits than its factorization.

102001011113040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638597 (or 1638591 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 102001011113040 its reverse (40311110100201), we get a palindrome (142312121213241).

The spelling of 102001011113040 in words is "one hundred two trillion, one billion, eleven million, one hundred thirteen thousand, forty".