102210200121 has 16 divisors (see below), whose sum is σ = 144361882368. Its totient is φ = 64102944000.

The previous prime is 102210200119. The next prime is 102210200129. The reversal of 102210200121 is 121002012201.

It is not a de Polignac number, because 102210200121 - 2¹ = 102210200119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102210200097 and 102210200106.

It is not an unprimeable number, because it can be changed into a prime (102210200129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337905 + ... + 564446.

It is an arithmetic number, because the mean of its divisors is an integer number (9022617648).

Almost surely, 2^102210200121 is an apocalyptic number.

It is an amenable number.

102210200121 is a deficient number, since it is larger than the sum of its proper divisors (42151682247).

102210200121 is a wasteful number, since it uses less digits than its factorization.

102210200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904592.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102210200121 its reverse (121002012201), we get a palindrome (223212212322).

The spelling of 102210200121 in words is "one hundred two billion, two hundred ten million, two hundred thousand, one hundred twenty-one".