102022221102002 has 4 divisors (see below), whose sum is σ = 153033331653006. Its totient is φ = 51011110551000.

The previous prime is 102022221101959. The next prime is 102022221102007. The reversal of 102022221102002 is 200201122220201.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 70640478134521 + 31381742967481 = 8404789^2 + 5601941^2 .

It is not an unprimeable number, because it can be changed into a prime (102022221102007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505555275499 + ... + 25505555275502.

Almost surely, 2^{102022221102002} is an apocalyptic number.

102022221102002 is a deficient number, since it is larger than the sum of its proper divisors (51011110551004).

102022221102002 is an equidigital number, since it uses as much as digits as its factorization.

102022221102002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51011110551003.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022221102002 its reverse (200201122220201), we get a palindrome (302223343322203).

The spelling of 102022221102002 in words is "one hundred two trillion, twenty-two billion, two hundred twenty-one million, one hundred two thousand, two".