1000121202102 has 32 divisors (see below), whose sum is σ = 2188371095424. Its totient is φ = 302193632000.

The previous prime is 1000121202097. The next prime is 1000121202109. The reversal of 1000121202102 is 2012021210001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000121202109) 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, 21811899 + ... + 21857702.

It is an arithmetic number, because the mean of its divisors is an integer number (68386596732).

Almost surely, 2^{1000121202102} is an apocalyptic number.

1000121202102 is an abundant number, since it is smaller than the sum of its proper divisors (1188249893322).

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

1000121202102 is a wasteful number, since it uses less digits than its factorization.

1000121202102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43669964.

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

Adding to 1000121202102 its reverse (2012021210001), we get a palindrome (3012142412103).

The spelling of 1000121202102 in words is "one trillion, one hundred twenty-one million, two hundred two thousand, one hundred two".