102200121001 has 16 divisors (see below), whose sum is σ = 112808171520. Its totient is φ = 91816053120.

The previous prime is 102200120989. The next prime is 102200121013. The reversal of 102200121001 is 100121002201.

It is an interprime number because it is at equal distance from previous prime (102200120989) and next prime (102200121013).

It is not a de Polignac number, because 102200121001 - 2⁹ = 102200120489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102200121031) 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, 347941 + ... + 570493.

It is an arithmetic number, because the mean of its divisors is an integer number (7050510720).

Almost surely, 2^102200121001 is an apocalyptic number.

102200121001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102200121001 is a deficient number, since it is larger than the sum of its proper divisors (10608050519).

102200121001 is a wasteful number, since it uses less digits than its factorization.

102200121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223056.

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

Adding to 102200121001 its reverse (100121002201), we get a palindrome (202321123202).

The spelling of 102200121001 in words is "one hundred two billion, two hundred million, one hundred twenty-one thousand, one".