102111120120010 has 16 divisors (see below), whose sum is σ = 187710654859776. Its totient is φ = 39975417238288.

The previous prime is 102111120119971. The next prime is 102111120120071. The reversal of 102111120120010 is 10021021111201.

It is a happy number.

It is a super-2 number, since 2×102111120120010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108628850722 + ... + 108628851661.

It is an arithmetic number, because the mean of its divisors is an integer number (11731915928736).

Almost surely, 2^{102111120120010} is an apocalyptic number.

102111120120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102111120120010 is a deficient number, since it is larger than the sum of its proper divisors (85599534739766).

102111120120010 is a wasteful number, since it uses less digits than its factorization.

102111120120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217257702437.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 102111120120010 its reverse (10021021111201), we get a palindrome (112132141231211).

The spelling of 102111120120010 in words is "one hundred two trillion, one hundred eleven billion, one hundred twenty million, one hundred twenty thousand, ten".