1001002122102 has 32 divisors (see below), whose sum is σ = 2029810222080. Its totient is φ = 329043312000.

The previous prime is 1001002122079. The next prime is 1001002122103. The reversal of 1001002122102 is 2012212001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001002122103) 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, 892899 + ... + 1673102.

It is an arithmetic number, because the mean of its divisors is an integer number (63431569440).

Almost surely, 2^{1001002122102} is an apocalyptic number.

1001002122102 is an abundant number, since it is smaller than the sum of its proper divisors (1028808099978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001002122102 is a wasteful number, since it uses less digits than its factorization.

1001002122102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566908.

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

Adding to 1001002122102 its reverse (2012212001001), we get a palindrome (3013214123103).

The spelling of 1001002122102 in words is "one trillion, one billion, two million, one hundred twenty-two thousand, one hundred two".