2101011021102 has 32 divisors (see below), whose sum is σ = 4829139475200. Its totient is φ = 596935291968.

The previous prime is 2101011021101. The next prime is 2101011021119. The reversal of 2101011021102 is 2011201101012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101011021101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139724527 + ... + 139739562.

It is an arithmetic number, because the mean of its divisors is an integer number (150910608600).

Almost surely, 2^{2101011021102} is an apocalyptic number.

2101011021102 is an abundant number, since it is smaller than the sum of its proper divisors (2728128454098).

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

2101011021102 is a wasteful number, since it uses less digits than its factorization.

2101011021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279464280.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101011021102 its reverse (2011201101012), we get a palindrome (4112212122114).

The spelling of 2101011021102 in words is "two trillion, one hundred one billion, eleven million, twenty-one thousand, one hundred two".