102200010222121 has 12 divisors (see below), whose sum is σ = 118886107259088. Its totient is φ = 87599727964392.

The previous prime is 102200010222047. The next prime is 102200010222173. The reversal of 102200010222121 is 121222010002201.

It is a happy number.

It is not a de Polignac number, because 102200010222121 - 2¹³ = 102200010213929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102200010222095 and 102200010222104.

It is not an unprimeable number, because it can be changed into a prime (102200010222181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12896490 + ... + 19254076.

It is an arithmetic number, because the mean of its divisors is an integer number (9907175604924).

Almost surely, 2^{102200010222121} is an apocalyptic number.

It is an amenable number.

102200010222121 is a deficient number, since it is larger than the sum of its proper divisors (16686097036967).

102200010222121 is an equidigital number, since it uses as much as digits as its factorization.

102200010222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685668 (or 6685661 counting only the distinct ones).

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

Adding to 102200010222121 its reverse (121222010002201), we get a palindrome (223422020224322).

The spelling of 102200010222121 in words is "one hundred two trillion, two hundred billion, ten million, two hundred twenty-two thousand, one hundred twenty-one".