21011201101102 has 8 divisors (see below), whose sum is σ = 31692873169800. Its totient is φ = 10446910044504.

The previous prime is 21011201101081. The next prime is 21011201101103. The reversal of 21011201101102 is 20110110211012.

It is a happy number.

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

It is a super-2 number, since 2×21011201101102² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011201101103) 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, 29345252577 + ... + 29345253292.

It is an arithmetic number, because the mean of its divisors is an integer number (3961609146225).

Almost surely, 2^{21011201101102} is an apocalyptic number.

21011201101102 is a deficient number, since it is larger than the sum of its proper divisors (10681672068698).

21011201101102 is a wasteful number, since it uses less digits than its factorization.

21011201101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58690506050.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 21011201101102 its reverse (20110110211012), we get a palindrome (41121311312114).

The spelling of 21011201101102 in words is "twenty-one trillion, eleven billion, two hundred one million, one hundred one thousand, one hundred two".