102020012121010 has 16 divisors (see below), whose sum is σ = 183642441601536. Its totient is φ = 40806578229808.

The previous prime is 102020012121007. The next prime is 102020012121037. The reversal of 102020012121010 is 10121210020201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178026952 + ... + 178599091.

It is an arithmetic number, because the mean of its divisors is an integer number (11477652600096).

Almost surely, 2^{102020012121010} is an apocalyptic number.

102020012121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102020012121010 is a deficient number, since it is larger than the sum of its proper divisors (81622429480526).

102020012121010 is a wasteful number, since it uses less digits than its factorization.

102020012121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356654657.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102020012121010 its reverse (10121210020201), we get a palindrome (112141222141211).

The spelling of 102020012121010 in words is "one hundred two trillion, twenty billion, twelve million, one hundred twenty-one thousand, ten".