102001212101202 has 48 divisors (see below), whose sum is σ = 207290582046912. Its totient is φ = 33459575983200.

The previous prime is 102001212101171. The next prime is 102001212101203. The reversal of 102001212101202 is 202101212100201.

It is a super-2 number, since 2×102001212101202² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102001212101203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5456028 + ... + 15289560.

It is an arithmetic number, because the mean of its divisors is an integer number (4318553792644).

Almost surely, 2^{102001212101202} is an apocalyptic number.

102001212101202 is an abundant number, since it is smaller than the sum of its proper divisors (105289369945710).

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

102001212101202 is a wasteful number, since it uses less digits than its factorization.

102001212101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833903 (or 9833796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 102001212101202 its reverse (202101212100201), we get a palindrome (304102424201403).

The spelling of 102001212101202 in words is "one hundred two trillion, one billion, two hundred twelve million, one hundred one thousand, two hundred two".