102001010122 has 16 divisors (see below), whose sum is σ = 166953605472. Its totient is φ = 46352189520.

The previous prime is 102001010101. The next prime is 102001010129. The reversal of 102001010122 is 221010100201.

It is a junction number, because it is equal to n+sod(n) for n = 102001010099 and 102001010108.

It is not an unprimeable number, because it can be changed into a prime (102001010129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507393 + ... + 679300.

It is an arithmetic number, because the mean of its divisors is an integer number (10434600342).

Almost surely, 2^102001010122 is an apocalyptic number.

102001010122 is a deficient number, since it is larger than the sum of its proper divisors (64952595350).

102001010122 is a wasteful number, since it uses less digits than its factorization.

102001010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190613.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102001010122 its reverse (221010100201), we get a palindrome (323011110323).

The spelling of 102001010122 in words is "one hundred two billion, one million, ten thousand, one hundred twenty-two".