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101102120111 = 1091142964849
BaseRepresentation
bin101111000101000100…
…1111110110010101111
3100122221222110211211002
41132022021332302233
53124024120320421
6114240133150515
710206255561446
oct1361211766257
9318858424732
10101102120111
1139971569273
1217716a8b43b
1396c2c53415
144c71591d5d
15296ad8db0b
hex178a27ecaf

101102120111 has 8 divisors (see below), whose sum is σ = 101267166000. Its totient is φ = 100937208960.

The previous prime is 101102120101. The next prime is 101102120113. The reversal of 101102120111 is 111021201101.

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

It is a cyclic number.

It is not a de Polignac number, because 101102120111 - 210 = 101102119087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101102120092 and 101102120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101102120113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1526615 + ... + 1591463.

It is an arithmetic number, because the mean of its divisors is an integer number (12658395750).

Almost surely, 2101102120111 is an apocalyptic number.

101102120111 is a deficient number, since it is larger than the sum of its proper divisors (165045889).

101102120111 is a wasteful number, since it uses less digits than its factorization.

101102120111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67369.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101102120111 its reverse (111021201101), we get a palindrome (212123321212).

The spelling of 101102120111 in words is "one hundred one billion, one hundred two million, one hundred twenty thousand, one hundred eleven".

Divisors: 1 1091 1429 64849 1559039 70750259 92669221 101102120111