10202012122102 has 4 divisors (see below), whose sum is σ = 15303018183156. Its totient is φ = 5101006061050.

The previous prime is 10202012122087. The next prime is 10202012122103. The reversal of 10202012122102 is 20122121020201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202012122103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550503030524 + ... + 2550503030527.

It is an arithmetic number, because the mean of its divisors is an integer number (3825754545789).

Almost surely, 2^{10202012122102} is an apocalyptic number.

10202012122102 is a deficient number, since it is larger than the sum of its proper divisors (5101006061054).

10202012122102 is an equidigital number, since it uses as much as digits as its factorization.

10202012122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101006061053.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202012122102 its reverse (20122121020201), we get a palindrome (30324133142303).

The spelling of 10202012122102 in words is "ten trillion, two hundred two billion, twelve million, one hundred twenty-two thousand, one hundred two".