20101102 has 8 divisors (see below), whose sum is σ = 34459056. Its totient is φ = 8614752.

The previous prime is 20101099. The next prime is 20101129. The reversal of 20101102 is 20110102.

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

It is a super-2 number, since 2×20101102² = 808108603228808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717883 + ... + 717910.

It is an arithmetic number, because the mean of its divisors is an integer number (4307382).

Almost surely, 2^20101102 is an apocalyptic number.

20101102 is a deficient number, since it is larger than the sum of its proper divisors (14357954).

20101102 is a wasteful number, since it uses less digits than its factorization.

20101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435802.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 20101102 is about 4483.4252530850. The cubic root of 20101102 is about 271.8983815184.

Adding to 20101102 its reverse (20110102), we get a palindrome (40211204).

The spelling of 20101102 in words is "twenty million, one hundred one thousand, one hundred two".