1011002120102 has 8 divisors (see below), whose sum is σ = 1633157270976. Its totient is φ = 466616363112.

The previous prime is 1011002120101. The next prime is 1011002120111. The reversal of 1011002120102 is 2010212001101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011002120101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19442348438 + ... + 19442348489.

It is an arithmetic number, because the mean of its divisors is an integer number (204144658872).

Almost surely, 2^{1011002120102} is an apocalyptic number.

1011002120102 is a deficient number, since it is larger than the sum of its proper divisors (622155150874).

1011002120102 is a wasteful number, since it uses less digits than its factorization.

1011002120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38884696942.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1011002120102 its reverse (2010212001101), we get a palindrome (3021214121203).

The spelling of 1011002120102 in words is "one trillion, eleven billion, two million, one hundred twenty thousand, one hundred two".