1000120021102 has 16 divisors (see below), whose sum is σ = 1526030399232. Its totient is φ = 491456740320.

The previous prime is 1000120021079. The next prime is 1000120021157. The reversal of 1000120021102 is 2011200210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3231118 + ... + 3527089.

It is an arithmetic number, because the mean of its divisors is an integer number (95376899952).

Almost surely, 2^{1000120021102} is an apocalyptic number.

1000120021102 is a deficient number, since it is larger than the sum of its proper divisors (525910378130).

1000120021102 is a wasteful number, since it uses less digits than its factorization.

1000120021102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6759483.

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

Adding to 1000120021102 its reverse (2011200210001), we get a palindrome (3011320231103).

The spelling of 1000120021102 in words is "one trillion, one hundred twenty million, twenty-one thousand, one hundred two".